Some fixes after review.

README.md

@@ -20,8 +20,14 @@ Create a directory for your projects.
 $ mkdir projects
 ```
 
-Clone the repository (in case of doubts about which repository you should
-clone ask your supervisor).
+Clone the repository.
+
+It is possible that you will work with a **fork** of the official codebase. A
+fork is a copy of a repository. In that case, after pushing changes into your
+copy you should create a **pull request** in order to your supervisor check
+and possibly bring your changes to the official codebase.
+
+In case of doubts about which repository you should clone ask your supervisor.
 
 ```
 $ git clone https://<user>@git.rhrk.uni-kl.de/<user>/dram.vp.system.git
@@ -36,12 +42,12 @@ $ cd dram.vp.system
 Execute the script below.
 
 ```
-$ install_prerequisites.sh
+$ ./install_prerequisites.sh
 ```
 
 
 ## With QTCreator
-Execute the *qtcreator*.
+Execute the *QTCreator*.
 
 ```
 $ qtcreator &
@@ -61,6 +67,9 @@ Repeat the procedure above and build the trace analyser project.
 
 ## Without QTCreator
 
+In case you prefer a command line interface to the QTCreator GUI you can also
+use **qmake** to generate a Makefile and then compile the project.
+
 ```
 $ cd dram
 $ mkdir build