diff --git a/static/timeago.json b/static/timeago.json
index b6f669c2e8..073ece16a2 100644
--- a/static/timeago.json
+++ b/static/timeago.json
@@ -5,6 +5,6 @@
   ["%sh", "%sh"],
   ["%sd", "%sd"],
   ["%sw", "%sw"],
-  ["%sm", "%sm"],
+  ["%smo", "%smo"],
   ["%sy", "%sy"]
 ]