diff --git a/src/blocks/scratch3_data.js b/src/blocks/scratch3_data.js
index 6c73cb9c7..824831451 100644
--- a/src/blocks/scratch3_data.js
+++ b/src/blocks/scratch3_data.js
@@ -247,7 +247,7 @@ class Scratch3DataBlocks {
 
     /**
      * Type representation for list variables.
-     * @const {string}
+     * @const {number}
      */
     static get LIST_ITEM_LIMIT () {
         return 200000;