diff --git a/srv/TSTExpandNodeFromJson.srv b/srv/TSTExpandNodeFromJson.srv
index 8db40a347098c0be2cc5ac1c32729cad7388d5d2..5404f8dde0223cb705f486334592362334cff2f9 100644
--- a/srv/TSTExpandNodeFromJson.srv
+++ b/srv/TSTExpandNodeFromJson.srv
@@ -1,6 +1,6 @@
 string node
 ---
-string epanded_node
+string expanded_node
 bool success
 int32 error
 string reason