diff --git a/docs/program-update.md b/docs/program-update.md
index 9c683a31f..2893dec72 100644
--- a/docs/program-update.md
+++ b/docs/program-update.md
@@ -618,7 +618,7 @@ pageClass: routes
 
 <Route author="nczitzk" example="/diskanalyzer/whats-new" path="/diskanalyzer/whats-new"/>
 
-## WziFile
+## WizFile
 
 ### 更新日志