diff --git a/CMakeLists.txt b/CMakeLists.txt
index d43aa05..7865796 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,7 +113,7 @@ set(META_APP_DESCRIPTION "Useful C++ classes and routines such as argument parse
 set(META_FEATURES_FOR_COMPILER_DETECTION_HEADER cxx_thread_local)
 set(META_VERSION_MAJOR 5)
 set(META_VERSION_MINOR 1)
-set(META_VERSION_PATCH 0)
+set(META_VERSION_PATCH 1)
 
 # find required 3rd party libraries
 include(3rdParty)
diff --git a/doc/buildvariables.md b/doc/buildvariables.md
index eb29c25..fbae332 100644
--- a/doc/buildvariables.md
+++ b/doc/buildvariables.md
@@ -65,6 +65,8 @@ None of these are enabled or set by default, unless stated otherwise.
   analysis with `clang-tidy`
     * can be made unavailable by setting `META_NO_STATIC_ANALYSIS` in the
       project file
+    * the variable [CMAKE_<LANG>_CLANG_TIDY](https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_CLANG_TIDY.html#variable:CMAKE_%3CLANG%3E_CLANG_TIDY)
+      provided by CMake itself provides a similar functionality
 * `CLANG_SOURCE_BASED_COVERAGE_ENABLED=ON/OFF`: enables `coverage` target to
   determine source-based test coverage using Clang/llvm
     * only available when building with Clang under UNIX