Update MUSESDevGuide.tex

Author: Yasir Ali

MUSESDevGuide.tex

@@ -42,7 +42,7 @@ \section{MUSES on Github}
 \begin{description}
   \item[Muses-Developer-Guide] Repository with the TeX files which consist of a manual for users that may want to develop for the MUSES project.
   \item[Muses-Security-Quiz]
-  \item[MusesCommon] 
+  \item[MusesCommon] This repository contain the java classes common in client and server projects to reduce duplication of classes in projects.
   \item[MusesServer] This repository contains all the files in the Java-Maven MUSES server project.
   \item[MusesClient] Repository containing the first prototype of the MUSES client, developed for Android.
   \item[MusesSituationPredictionStudy]