diff --git a/Changes b/Changes
index 29f784d38..5e910459c 100644
--- a/Changes
+++ b/Changes
@@ -28,7 +28,7 @@ Changes to individual pages
 
 abort.3
     mtk, after a note by Alex Tuninga
-	A fairly significant rewrite to clarify operation of abort().
+        A fairly significant rewrite to clarify operation of abort().
 
 argz_add.3
     Bert Wesarg / mtk