Minor corrections in README.md.

README.md

@@ -75,7 +75,7 @@ This project is based on the standards C99 (for C code) and C++03 (for C++
 code) to be usable on a wide range of target systems. It has been tested on
 code) to be usable on a wide range of target systems. It has been tested on
 the following OS/compiler/architecture combinations:
 the following OS/compiler/architecture combinations:
 
 
-  - Linux (Ubuntu 12.10) / GCC 4.8.1 / x86, x86_64
+  - Linux (Ubuntu 12.04) / GCC 4.8.1 / x86, x86_64
   - Linux (Ubuntu 12.04) / Clang 3.0.0 / x86_64
   - Linux (Ubuntu 12.04) / Clang 3.0.0 / x86_64
   - Linux (Ubuntu 14.04) / GCC 4.8.2 / ARMv7
   - Linux (Ubuntu 14.04) / GCC 4.8.2 / ARMv7
   - Windows
   - Windows
@@ -154,7 +154,8 @@ the default (Release) is used. The Visual Studio generators create build files
 for both modes (the selection is done at build time).
 for both modes (the selection is done at build time).
 
 
 You may choose a custom compiler instead the default one by defining
 You may choose a custom compiler instead the default one by defining
-CMAKE_CXX_COMPILER and/or CMAKE_C_COMPILER. E.g. to use clang on Linux use:
+CMAKE_CXX_COMPILER and/or CMAKE_C_COMPILER. For example, to use Clang on Linux
+use:
 
 
     cmake .. -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang
     cmake .. -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang