Execute-the-Testsuite.md

@@ -10,7 +10,7 @@ You will need to configure your [gitlab ssh key](https://gitlab.bsc.es/profile/k
 
 ## Basic usage
 
-Testsuite basic usage is composed of three steps: clone/update the testsuite, configure it, and run it.
+Testsuite is composed of three steps: clone/update the sources, configure the testsuite, and run it.
 
 ###  Cloning the testsuite using ssh
 
@@ -27,15 +27,19 @@ If you already have cloned the testsuite at least once, update it before running
 git pull
 ```
 
+Note that you cannot run a testsuite if your local repository is obsolete, and you will be asked to update it.
+
 ### Configuring the testSuite:
 
-```
+You will need to perform this operation each time you clone a new testsuite, or if the configuration format has changed. An error message during the testsuite execution will indicate you if you have to configure the testsuite again.
+
+```sh
 ./configure
 ```
 
-Look at the next section to get more details about how to configure the testsuite.
+Look at the next section to get more details about how to configure or reconfigure partially the testsuite.
 
-Executing the testSuite:
+### Executing the testSuite:
 
 ```sh
 ./testSuite