diff --git a/src/messages/en.json b/src/messages/en.json
index f2861adc..169d0d8c 100644
--- a/src/messages/en.json
+++ b/src/messages/en.json
@@ -63,7 +63,7 @@
   "feedback_modal.title": "Leave a comment (optional)",
   "feedback_modal.button": "Send Feedback",
   "copy_link_button.text": "Copy link",
-  "copy_link_button.tooltip": "copied!",
+  "copy_link_button.tooltip": "Copied!",
   "api_guide_documentation_page_contributors.title": "Contributors",
   "api_guide_documentation_page_contributors.toggleText": "See less",
   "api_guide_documentation_page_on_this_page.title": "On this page",