Update on busslice example

doc/AVATAR/avatar_documentation.tex

@@ -188,14 +188,14 @@ As shown in Figure \ref{fig:assumptionswindow}, right click on the panel tab and
 
 \begin{enumerate}
 \item Edit AVATAR Modeling Assumptions Diagram
-\item  Add a comment: add a comment to the diagram
+\item  Adds a comment: add a comment to the diagram
 \item  Comment connector
-\item  AST: add an assumption box to the diagram
+\item  AST: adds an assumption box to the diagram
 \item  Diagram reference: add a box who refers to another diagram
 \item  Element reference: add a box who refers to an Avatar element
 \item  Composite: Splits up a compound assumptions into elementary ones
-\item  Versioning: classify changes that are made to the original model
-\item  Impact: indicate that the assumption at the origin of the link as a direct impact on the referenced element at the end on the link. 
+\item  Versioning: classifies changes that are made to the original model
+\item  Impact: indicates that the assumption at the origin of the link as a direct impact on the referenced element at the end on the link. 
 \item Composition connector: relations between a diagram reference and elements references
 \end{enumerate}