diff --git a/content/_code-samples/key-derivation/js/README.md b/content/_code-samples/key-derivation/js/README.md
index 12c7909ad9..1a4aad6b48 100644
--- a/content/_code-samples/key-derivation/js/README.md
+++ b/content/_code-samples/key-derivation/js/README.md
@@ -17,7 +17,7 @@ have to install the necessary node.js dedpendencies:
 
 ### Hex formatted seed
 
-    npm start "0x21edc3dec3ef1873cf8f333381c5f360c3"
+    npm start "21edc3dec3ef1873cf8f333381c5f360c3"
 
 ### Random seed