diff --git a/src/General/Index/NavLinks.html b/src/General/Index/NavLinks.html
index ce35eee6c..d7940d8bf 100644
--- a/src/General/Index/NavLinks.html
+++ b/src/General/Index/NavLinks.html
@@ -20,7 +20,7 @@
     <option value="birth">Creation date</option>
     <option value="replycount">Reply count</option>
     <option value="filecount">File count</option>
-    <option value="activity">Posts Per Minute</option>
+    <option value="activity">Posts per minute</option>
   </select>
   <select id="index-size" name="Index Size">
     <option disabled>Image Size</option>