diff --git a/packages/react/src/components/Tooltip/DefinitionTooltip.mdx b/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
index 33a2748536cb..4b25b61d80ae 100644
--- a/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
+++ b/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
@@ -3,7 +3,7 @@ import * as DefinitionTooltipStories from './DefinitionTooltip.stories';
 
 # DefinitionTooltip
 
-[Source code](https://github.com/carbon-design-system/carbon/tree/main/packages/react/src/components/Tooltip/DefinitionTooltip.js)
+[Source code](https://github.com/carbon-design-system/carbon/tree/main/packages/react/src/components/Tooltip/DefinitionTooltip.tsx)
  | 
 [Usage guidelines](https://www.carbondesignsystem.com/components/tooltip/usage)
  |