diff --git a/files/en-us/web/api/navigator/registerprotocolhandler/index.md b/files/en-us/web/api/navigator/registerprotocolhandler/index.md
index bd2fb61c5f6f36c..c4df643d7235f3c 100644
--- a/files/en-us/web/api/navigator/registerprotocolhandler/index.md
+++ b/files/en-us/web/api/navigator/registerprotocolhandler/index.md
@@ -70,7 +70,7 @@ registerProtocolHandler(scheme, url)
   - : A string containing the URL of the handler.
     This URL must include `%s`, as a placeholder that will be replaced with the [escaped](/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent) URL to be handled.
 
-    The handler URL must use the `https` scheme, and must be of the same {{glossary("origin")}} as the webpage that is attemtping to register the handler.
+    The handler URL must use the `https` scheme, and must be of the same {{glossary("origin")}} as the webpage that is attempting to register the handler.
 
 ### Return value