diff --git a/src/Microsoft.AspNet.Identity/Resources.resx b/src/Microsoft.AspNet.Identity/Resources.resx
index feda1883d2..ca81c76d0b 100644
--- a/src/Microsoft.AspNet.Identity/Resources.resx
+++ b/src/Microsoft.AspNet.Identity/Resources.resx
@@ -122,7 +122,7 @@
Error when optimistic concurrency fails
- An unknown failure has occured.
+ An unknown failure has occurred.
Default identity result error message
@@ -281,4 +281,4 @@
User is not in role '{0}'.
Error when a user is not in the role
-
\ No newline at end of file
+