diff --git a/lib/elements/dom-if.html b/lib/elements/dom-if.html
index 47150cdec2..246f9bef72 100644
--- a/lib/elements/dom-if.html
+++ b/lib/elements/dom-if.html
@@ -24,7 +24,7 @@
    * data-binding and declarative event features when used in the context of
    * a Polymer element's template.
    *
-   * When `if` becomes falsey, the stamped content is hidden but not
+   * When `if` becomes falsy, the stamped content is hidden but not
    * removed from dom. When `if` subsequently becomes truthy again, the content
    * is simply re-shown. This approach is used due to its favorable performance
    * characteristics: the expense of creating template content is paid only