diff --git a/docs/latex/wx/app.tex b/docs/latex/wx/app.tex
index 8f2e0ced5d..ab2a324b64 100644
--- a/docs/latex/wx/app.tex
+++ b/docs/latex/wx/app.tex
@@ -141,7 +141,7 @@ for the file names or configuration file keys.
 
 By default, returns the same string as \helpref{GetAppName}{wxappgetappname}.
 
-\newsince{3.0}
+\newsince{2.9.0}
 
 
 \membersection{wxApp::GetAppName}\label{wxappgetappname}