Improve documentation

README.md

@@ -12,7 +12,7 @@ The library utilizes:
     - split, join, find and replace
     - conversion from number to string and vice verca
     - encoding/decoding base-64
-    - building string without multiple heap allocations (string builder)
+    - building string without multiple heap allocations ("string builder")
 * IO
     - reading/writing primitive data types of various sizes (little-endian and big-endian)
     - reading/writing terminated strings and size-prefixed strings

doc/buildvariables.md

@@ -93,11 +93,13 @@ the location of libraries and include directories directly:
 * `dependency_STATIC_INCLUDE_DIR`: specifies the locations of the additional
   include directories required for using the static version of the *dependency*
 
-Example of passing location of dynamic `iconv` to CMake:
+Example of passing location of dynamic `iconv` and `zlib` to CMake:
 ```
 /opt/osxcross/bin/x86_64-apple-darwin15-cmake \
     -Diconv_DYNAMIC_LIB:FILEPATH=/opt/osxcross/SDK/MacOSX10.11.sdk/usr/lib/libiconv.2.tbd \
     -Diconv_DYNAMIC_INCLUDE_DIR:PATH=/opt/osxcross/SDK/MacOSX10.11.sdk/usr/include \
+    -Dz_DYNAMIC_LIB:FILEPATH=/opt/osxcross/SDK/MacOSX10.11.sdk/usr/lib/libz.1.tbd \
+    -Dz_DYNAMIC_INCLUDE_DIR:PATH=/opt/osxcross/SDK/MacOSX10.11.sdk/usr/include \
     ...
 ```