diff --git a/js/client.js b/js/client.js
index 9f1d0393..6fe4b0b0 100644
--- a/js/client.js
+++ b/js/client.js
@@ -173,7 +173,7 @@
             }
         }
 
-        // get slice of data so that concatenation of predictions do interfere with subsequent updates
+        // get slice of data so that concatenation of predictions do not interfere with subsequent updates
         var focusData = data.slice();
 
         var element = document.getElementById('bgButton').hidden == '';
@@ -865,4 +865,4 @@
         }
         return predicted;
     }
-})();
\ No newline at end of file
+})();