correct spelling mistake

presentation/slide/main.tex

@@ -54,7 +54,7 @@
 	\pause
 	}
 	\only<3>{
-	\centering How to predictable program in this type of accelaratos 
+	\centering How to predictable program in this type of accelerators 
     in order to ensure  the respect of timing constraints ? 
 	}
 \end{frame}