diff --git a/docs/contributing/how-to-add-class-documentation.md b/docs/contributing/how-to-add-class-documentation.md
index fd78046210..31e321a2b4 100644
--- a/docs/contributing/how-to-add-class-documentation.md
+++ b/docs/contributing/how-to-add-class-documentation.md
@@ -34,7 +34,7 @@ Running Doxygen
 ---------------
 
 First, make sure you have a recent version of Doxygen installed in your system
-(currently Doxygen 1.8.2 is used).
+(currently Doxygen 1.8.8 is used).
 
 On Unix: