diff --git a/docs/developer-docs/integrations/t-ecdsa/index.md b/docs/developer-docs/integrations/t-ecdsa/index.md
index 289a3bdf2c..b093daf5bb 100644
--- a/docs/developer-docs/integrations/t-ecdsa/index.md
+++ b/docs/developer-docs/integrations/t-ecdsa/index.md
@@ -26,7 +26,7 @@ The availability of threshold ECDSA allows for a multitude of important use case
 
 Threshold ECDSA can be used by making calls to the Threshold ECDSA API. 
 
-[Learn how to use Threshold ECDSA to sign transactions](./signing-transactions.md).
+[Learn how to use Threshold ECDSA to sign transactions](./signing-transactions.mdx).
 
 ## Resources
 - [Chain-key ECDSA signatures: technology overview](./t-ecdsa-how-it-works.md).