Update compilers.md

docs.it4i/software/compilers.md

@@ -55,7 +55,7 @@ For more information, see the [PGI page][a].
 
 ## GNU
 
-For compatibility reasons there are still available the original (old 4.8.5) versions of GNU compilers as part of the OS. These are accessible in the search path by default.
+For compatibility reasons, the original (old 4.8.5) versions of GNU compilers as part of the OS are still available. These are accessible in the search path by default.
 
 It is strongly recommended to use the up to date version which comes with the module GCC:
 
@@ -66,7 +66,7 @@ $ g++ -v
 $ gfortran -v
 ```
 
-With the module loaded two environment variables are predefined. One for maximum optimizations on the cluster's architecture, and the other for debugging purposes:
+With the module loaded, two environment variables are predefined. One for maximum optimizations on the cluster's architecture, and the other for debugging purposes:
 
 ```console
 $ echo $OPTFLAGS
@@ -109,15 +109,15 @@ To run the example with 5 threads issue
 $ ./count.upc.x -fupc-threads-5
 ```
 
-For more information see the man pages.
+For more information, see the man pages.
 
 ## Java
 
-For information how to use Java (runtime and/or compiler), read the [Java page][2].
+For information on how to use Java (runtime and/or compiler), read the [Java page][2].
 
 ## NVIDIA CUDA
 
-For information how to work with NVIDIA CUDA, read the [NVIDIA CUDA page][3].
+For information on how to work with NVIDIA CUDA, read the [NVIDIA CUDA page][3].
 
 [1]: intel/intel-suite/intel-compilers.md
 [2]: lang/java.md

[Jan Siwiec]

relates to #70