docs: Correct AC5 version

Author: Matthew Gretton-Dann

docs/language/support/versions-compilers.csv

@@ -5,7 +5,7 @@ GNU extensions (up to GCC 9.2),
 
 Microsoft extensions (up to VS 2019),
 
-Arm Compiler 5.0 [2]_","``.cpp``, ``.c++``, ``.cxx``, ``.hpp``, ``.hh``, ``.h++``, ``.hxx``, ``.c``, ``.cc``, ``.h``"
+Arm Compiler 5 [2]_","``.cpp``, ``.c++``, ``.cxx``, ``.hpp``, ``.hh``, ``.h++``, ``.hxx``, ``.c``, ``.cc``, ``.h``"
 C#,C# up to 8.0. with .NET up to 4.8 [3]_,"Microsoft Visual Studio up to 2019, 
 
 .NET Core up to 3.0","``.sln``, ``.csproj``, ``.cs``, ``.cshtml``, ``.xaml``"