diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index f7224d1a7..991f4c4a2 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -74,7 +74,7 @@ Problems Corrected in 3.4.0 RC1
 
 4)  Previously, if "INCLUDE <filename>" appeared in
     /etc/shorewall/params or in an extension script then run-time
-    errors occured.
+    errors occurred.
 
 Other Changes in 3.4.0 RC 1