diff --git a/lib/legacy/legacy-element-mixin.html b/lib/legacy/legacy-element-mixin.html
index f820a95692..c1302b1346 100644
--- a/lib/legacy/legacy-element-mixin.html
+++ b/lib/legacy/legacy-element-mixin.html
@@ -91,7 +91,8 @@
        * passed to `Polymer({...})`) to the static API.
        *
        * @return {!Object} The `import.meta` object set on the prototype
-       * @suppress {missingProperties}
+       * @suppress {missingProperties} `this` is always in the instance in
+       *  closure for some reason even in a static method, rather than the class
        */
       static get importMeta() {
         return this.prototype.importMeta;