diff --git a/README.md b/README.md
index 2c14ee418..128fe5a22 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This is the `syncthing` project which pursues the following goals:
 
  2. Provide the reference implementation to demonstrate the usability of
     said protocol. This is the `syncthing` utility. We hope that
-    alternative, compatible implementations of the protocol will arrise.
+    alternative, compatible implementations of the protocol will arise.
 
 The two are evolving together; the protocol is not to be considered
 stable until syncthing 1.0 is released, at which point it is locked down
diff --git a/cmd/syncthing/connections.go b/cmd/syncthing/connections.go
index 2a275cf5e..4508455a9 100644
--- a/cmd/syncthing/connections.go
+++ b/cmd/syncthing/connections.go
@@ -22,7 +22,7 @@ import (
 )
 
 // The connection service listens on TLS and dials configured unconnected
-// devices. Successfull connections are handed to the model.
+// devices. Successful connections are handed to the model.
 type connectionSvc struct {
 	*suture.Supervisor
 	cfg    *config.Wrapper
@@ -116,7 +116,7 @@ next:
 		remoteID := protocol.NewDeviceID(remoteCert.Raw)
 
 		// The device ID should not be that of ourselves. It can happen
-		// though, especially in the presense of NAT hairpinning, multiple
+		// though, especially in the presence of NAT hairpinning, multiple
 		// clients between the same NAT gateway, and global discovery.
 		if remoteID == myID {
 			l.Infof("Connected to myself (%s) - should not happen", remoteID)
@@ -128,7 +128,7 @@ next:
 		// could use some better handling. If the old connection is dead but
 		// hasn't timed out yet we may want to drop *that* connection and keep
 		// this one. But in case we are two devices connecting to each other
-		// in parallell we don't want to do that or we end up with no
+		// in parallel we don't want to do that or we end up with no
 		// connections still established...
 		if s.model.ConnectedTo(remoteID) {
 			l.Infof("Connected to already connected device (%s)", remoteID)
diff --git a/cmd/syncthing/monitor.go b/cmd/syncthing/monitor.go
index 9743adcc9..5182efab7 100644
--- a/cmd/syncthing/monitor.go
+++ b/cmd/syncthing/monitor.go
@@ -124,7 +124,7 @@ func monitorMain() {
 
 		case err = <-exit:
 			if err == nil {
-				// Successfull exit indicates an intentional shutdown
+				// Successful exit indicates an intentional shutdown
 				return
 			} else if exiterr, ok := err.(*exec.ExitError); ok {
 				if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {
diff --git a/cmd/syncthing/summarysvc.go b/cmd/syncthing/summarysvc.go
index 983cf4452..5d287aeea 100644
--- a/cmd/syncthing/summarysvc.go
+++ b/cmd/syncthing/summarysvc.go
@@ -132,7 +132,7 @@ func (c *folderSummarySvc) calculateSummaries() {
 // foldersToHandle returns the list of folders needing a summary update, and
 // clears the list.
 func (c *folderSummarySvc) foldersToHandle() []string {
-	// We only recalculate sumamries if someone is listening to events
+	// We only recalculate summaries if someone is listening to events
 	// (a request to /rest/events has been made within the last
 	// pingEventInterval).
 
diff --git a/gui/scripts/syncthing/app.js b/gui/scripts/syncthing/app.js
index 7f04e3d45..1578e1592 100644
--- a/gui/scripts/syncthing/app.js
+++ b/gui/scripts/syncthing/app.js
@@ -47,7 +47,7 @@ syncthing.config(function ($httpProvider, $translateProvider, LocaleServiceProvi
 
 });
 
-// @TODO: extract global level functions into seperate service(s)
+// @TODO: extract global level functions into separate service(s)
 
 function deviceCompare(a, b) {
     if (typeof a.name !== 'undefined' && typeof b.name !== 'undefined') {
diff --git a/gui/scripts/syncthing/core/controllers/eventController.js b/gui/scripts/syncthing/core/controllers/eventController.js
index f72da69ba..aab6201f7 100644
--- a/gui/scripts/syncthing/core/controllers/eventController.js
+++ b/gui/scripts/syncthing/core/controllers/eventController.js
@@ -12,7 +12,7 @@ angular.module('syncthing.core')
             // progress the browser on some platforms returns a 200 (since the
             // headers has been flushed with the return code 200), with no data.
             // This basically means that the connection has been reset, and the call
-            // was not actually sucessful.
+            // was not actually successful.
             if (!data) {
                 errorFn(data);
                 return;
diff --git a/gui/scripts/syncthing/core/controllers/syncthingController.js b/gui/scripts/syncthing/core/controllers/syncthingController.js
index 84fd71029..2aa50e584 100644
--- a/gui/scripts/syncthing/core/controllers/syncthingController.js
+++ b/gui/scripts/syncthing/core/controllers/syncthingController.js
@@ -220,7 +220,7 @@ angular.module('syncthing.core')
                     var copiedFromElsewhere = 100 * s.copiedFromElsewhere / s.total;
                     var pulled = 100 * s.pulled / s.total;
                     var pulling = 100 * s.pulling / s.total;
-                    // We try to round up pulling to atleast a percent so that it would be atleast a bit visible.
+                    // We try to round up pulling to at least a percent so that it would be at least a bit visible.
                     if (pulling < 1 && pulled + copiedFromElsewhere + copiedFromOrigin + reused <= 99) {
                         pulling = 1;
                     }
diff --git a/gui/scripts/syncthing/core/directives/languageSelectDirective.js b/gui/scripts/syncthing/core/directives/languageSelectDirective.js
index a92e989d0..d9815e367 100644
--- a/gui/scripts/syncthing/core/directives/languageSelectDirective.js
+++ b/gui/scripts/syncthing/core/directives/languageSelectDirective.js
@@ -27,7 +27,7 @@ angular.module('syncthing.core')
                 $scope.localesNames = availableLocaleNames;
                 $scope.visible = $scope.localesNames && $scope.localesNames['en'];
                 
-                // using $watch cause LocaleService.currentLocale will be change after recive async query accpeted-languages
+                // using $watch cause LocaleService.currentLocale will be change after receive async query accepted-languages
                 // in LocaleService.readBrowserLocales
                 var remove_watch = $scope.$watch(LocaleService.getCurrentLocale, function (newValue) {
                     if (newValue) {
diff --git a/gui/scripts/syncthing/core/services/localeService.js b/gui/scripts/syncthing/core/services/localeService.js
index fe4ea3a09..874c4294d 100644
--- a/gui/scripts/syncthing/core/services/localeService.js
+++ b/gui/scripts/syncthing/core/services/localeService.js
@@ -42,7 +42,7 @@ angular.module('syncthing.core')
              * @returns promise which on success resolves with a locales array
              */
             function readBrowserLocales() {
-                // @TODO: check if there is nice way to utilize window.navigator.languages or similiar api.
+                // @TODO: check if there is nice way to utilize window.navigator.languages or similar api.
 
                 return $http.get(urlbase + "/svc/lang");
             }
diff --git a/internal/discover/discover_test.go b/internal/discover/discover_test.go
index 97f4371d8..c49756842 100644
--- a/internal/discover/discover_test.go
+++ b/internal/discover/discover_test.go
@@ -95,7 +95,7 @@ func TestGlobalDiscovery(t *testing.T) {
 
 	addrs := d.Lookup(device)
 	if len(addrs) != 2 {
-		t.Fatal("Wrong numer of addresses", addrs)
+		t.Fatal("Wrong number of addresses", addrs)
 	}
 
 	for _, addr := range []string{"test.com:1234", "best.com:2345"} {
@@ -119,10 +119,10 @@ func TestGlobalDiscovery(t *testing.T) {
 
 	addrs = d.Lookup(device)
 	if len(addrs) != 2 {
-		t.Fatal("Wrong numer of addresses", addrs)
+		t.Fatal("Wrong number of addresses", addrs)
 	}
 
-	// Answer should be cached, so number of lookups should have not incresed
+	// Answer should be cached, so number of lookups should have not increased
 	for _, c := range []*DummyClient{c1, c2, c3} {
 		if len(c.lookups) != 1 || c.lookups[0] != device {
 			t.Fatal("Wrong lookups")
diff --git a/internal/model/model.go b/internal/model/model.go
index 68ab469c6..517faca28 100644
--- a/internal/model/model.go
+++ b/internal/model/model.go
@@ -1626,7 +1626,7 @@ func (m *Model) String() string {
 func symlinkInvalid(isLink bool) bool {
 	if !symlinks.Supported && isLink {
 		SymlinkWarning.Do(func() {
-			l.Warnln("Symlinks are disabled, unsupported or require Administrator priviledges. This might cause your folder to appear out of sync.")
+			l.Warnln("Symlinks are disabled, unsupported or require Administrator privileges. This might cause your folder to appear out of sync.")
 		})
 		return true
 	}
diff --git a/internal/model/progressemitter.go b/internal/model/progressemitter.go
index bb31b4778..397127aca 100755
--- a/internal/model/progressemitter.go
+++ b/internal/model/progressemitter.go
@@ -113,7 +113,7 @@ func (t *ProgressEmitter) Register(s *sharedPullerState) {
 	t.registry[filepath.Join(s.folder, s.file.Name)] = s
 }
 
-// Deregister a puller which will stop boardcasting pullers state.
+// Deregister a puller which will stop broadcasting pullers state.
 func (t *ProgressEmitter) Deregister(s *sharedPullerState) {
 	t.mut.Lock()
 	defer t.mut.Unlock()
diff --git a/internal/model/rwfolder.go b/internal/model/rwfolder.go
index d47fe4b82..fdb7b5ccd 100644
--- a/internal/model/rwfolder.go
+++ b/internal/model/rwfolder.go
@@ -806,7 +806,7 @@ func (p *rwFolder) handleFile(file protocol.FileInfo, copyChan chan<- copyBlocks
 		reused = len(file.Blocks) - len(blocks)
 		if reused == 0 {
 			// Otherwise, discard the file ourselves in order for the
-			// sharedpuller not to panic when it fails to exlusively create a
+			// sharedpuller not to panic when it fails to exclusively create a
 			// file which already exists
 			os.Remove(tempName)
 		}
@@ -876,7 +876,7 @@ func (p *rwFolder) shortcutFile(file protocol.FileInfo) (err error) {
 	return
 }
 
-// shortcutSymlink changes the symlinks type if necessery.
+// shortcutSymlink changes the symlinks type if necessary.
 func (p *rwFolder) shortcutSymlink(file protocol.FileInfo) (err error) {
 	err = symlinks.ChangeType(filepath.Join(p.dir, file.Name), file.Flags)
 	if err == nil {
@@ -977,7 +977,7 @@ func (p *rwFolder) pullerRoutine(in <-chan pullBlockState, out chan<- *sharedPul
 			continue
 		}
 
-		// Get an fd to the temporary file. Tehcnically we don't need it until
+		// Get an fd to the temporary file. Technically we don't need it until
 		// after fetching the block, but if we run into an error here there is
 		// no point in issuing the request to the network.
 		fd, err := state.tempFile()
diff --git a/internal/model/rwfolder_test.go b/internal/model/rwfolder_test.go
index 25a27149f..53df1e3af 100644
--- a/internal/model/rwfolder_test.go
+++ b/internal/model/rwfolder_test.go
@@ -410,7 +410,7 @@ func TestDeregisterOnFailInCopy(t *testing.T) {
 
 	p.handleFile(file, copyChan, finisherChan)
 
-	// Receive a block at puller, to indicate that atleast a single copier
+	// Receive a block at puller, to indicate that at least a single copier
 	// loop has been performed.
 	toPull := <-pullChan
 	// Wait until copier is trying to pass something down to the puller again
diff --git a/internal/scanner/walk.go b/internal/scanner/walk.go
index 41f67e88b..89363b0cd 100644
--- a/internal/scanner/walk.go
+++ b/internal/scanner/walk.go
@@ -46,7 +46,7 @@ type Walker struct {
 	BlockSize int
 	// If Matcher is not nil, it is used to identify files to ignore which were specified by the user.
 	Matcher *ignore.Matcher
-	// If TempNamer is not nil, it is used to ignore tempory files when walking.
+	// If TempNamer is not nil, it is used to ignore temporary files when walking.
 	TempNamer TempNamer
 	// Number of hours to keep temporary files for
 	TempLifetime time.Duration
@@ -387,7 +387,7 @@ func SymlinkTypeEqual(disk, index uint32) bool {
 	// know and someone else knows, just accept it. The fact that you don't
 	// know means you are on Unix, and on Unix you don't really care what the
 	// target type is. The moment you do know, and if something doesn't match,
-	// that will propogate throught the cluster.
+	// that will propagate through the cluster.
 	if disk&protocol.FlagSymlinkMissingTarget != 0 && index&protocol.FlagSymlinkMissingTarget == 0 {
 		return true
 	}
diff --git a/internal/scanner/walk_test.go b/internal/scanner/walk_test.go
index 30545533f..de9d8cf0d 100644
--- a/internal/scanner/walk_test.go
+++ b/internal/scanner/walk_test.go
@@ -46,7 +46,7 @@ var correctIgnores = map[string][]string{
 
 func init() {
 	// This test runs the risk of entering infinite recursion if it fails.
-	// Limit the stack size to 10 megs to creash early in that case instead of
+	// Limit the stack size to 10 megs to crash early in that case instead of
 	// potentially taking down the box...
 	rdebug.SetMaxStack(10 * 1 << 20)
 }
diff --git a/internal/symlinks/symlink_windows.go b/internal/symlinks/symlink_windows.go
index c41830664..5a14d3efd 100644
--- a/internal/symlinks/symlink_windows.go
+++ b/internal/symlinks/symlink_windows.go
@@ -46,7 +46,7 @@ func init() {
 		}
 	}()
 
-	// Needs administrator priviledges.
+	// Needs administrator privileges.
 	// Let's check that everything works.
 	// This could be done more officially:
 	// http://stackoverflow.com/questions/2094663/determine-if-windows-process-has-privilege-to-create-symbolic-link
diff --git a/internal/upgrade/testdata/github-releases.json b/internal/upgrade/testdata/github-releases.json
index 3a2010679..6c322b4b2 100644
--- a/internal/upgrade/testdata/github-releases.json
+++ b/internal/upgrade/testdata/github-releases.json
@@ -3809,6 +3809,6 @@
     ],
     "tarball_url": "https://api.github.com/repos/syncthing/syncthing/tarball/v0.10.26",
     "zipball_url": "https://api.github.com/repos/syncthing/syncthing/zipball/v0.10.26",
-    "body": "* Silence discovery warnings when v6 not available (#1418, @AudriusButkevicius)\r\n* Make sure we start scanning at an indexed location (#1399, @AudriusButkevicius)\r\n* Add missing translation strings (#1430, @AudriusButkevicius)\r\n* Allow not to limit bandwidth in LAN (#1336, @AudriusButkevicius)\r\n* Remove red if we managed to report to atleast one discovery server (#1427, @AudriusButkevicius)\r\n* Compress only metadata by default (#1374, @calmh)\r\n* Don't yell about discovery listening and resolving (#1418, @calmh)\r\n* Fall back to %AppData% if %LocalAppData% is blank (#1446, @calmh)\r\n"
+    "body": "* Silence discovery warnings when v6 not available (#1418, @AudriusButkevicius)\r\n* Make sure we start scanning at an indexed location (#1399, @AudriusButkevicius)\r\n* Add missing translation strings (#1430, @AudriusButkevicius)\r\n* Allow not to limit bandwidth in LAN (#1336, @AudriusButkevicius)\r\n* Remove red if we managed to report to at least one discovery server (#1427, @AudriusButkevicius)\r\n* Compress only metadata by default (#1374, @calmh)\r\n* Don't yell about discovery listening and resolving (#1418, @calmh)\r\n* Fall back to %AppData% if %LocalAppData% is blank (#1446, @calmh)\r\n"
   }
 ]
diff --git a/internal/versioner/util.go b/internal/versioner/util.go
index f3a979160..5b61f67ec 100644
--- a/internal/versioner/util.go
+++ b/internal/versioner/util.go
@@ -25,7 +25,7 @@ var tagExp = regexp.MustCompile(`.*~([^~.]+)(?:\.[^.]+)?$`)
 // Returns the tag from a filename, whether at the end or middle.
 func filenameTag(path string) string {
 	match := tagExp.FindStringSubmatch(path)
-	// match is []string{"whole match", "submatch"} when successfull
+	// match is []string{"whole match", "submatch"} when successful
 
 	if len(match) != 2 {
 		return ""
diff --git a/test/util.go b/test/util.go
index 24012aee2..f941192e1 100644
--- a/test/util.go
+++ b/test/util.go
@@ -467,7 +467,7 @@ func isTimeout(err error) bool {
 		return false
 	}
 	return strings.Contains(err.Error(), "use of closed network connection") ||
-		strings.Contains(err.Error(), "request cancelled while waiting")
+		strings.Contains(err.Error(), "request canceled while waiting")
 }
 
 func getTestName() string {