Fix a typo

Change-Id: I28351ebcf59d03389c71ca74c3f03aa9defbaba1
diff --git a/src/main/java/com/googlesource/gerrit/plugins/messageoftheday/MessageOfTheDayImpl.java b/src/main/java/com/googlesource/gerrit/plugins/messageoftheday/MessageOfTheDayImpl.java
index 1236dc3..2a28da0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/messageoftheday/MessageOfTheDayImpl.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/messageoftheday/MessageOfTheDayImpl.java
@@ -64,7 +64,7 @@
     }
 
     if (Strings.isNullOrEmpty(expiresAt)) {
-      log.warn("expiresAt not defined, not message will be shown");
+      log.warn("expiresAt not defined, no message will be shown");
       return null;
     }