diff --git a/packages/react/src/components/Tooltip/DefinitionTooltip.mdx b/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
index e7b1d95b6889..ee3ae85847df 100644
--- a/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
+++ b/packages/react/src/components/Tooltip/DefinitionTooltip.mdx
@@ -5,7 +5,7 @@ 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)
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