diff --git a/spec/README.md b/spec/README.md
index 4883b90..47f0874 100644
--- a/spec/README.md
+++ b/spec/README.md
@@ -181,7 +181,7 @@ respond to an external event (e.g.  an incoming HTTP request).
 #### List routes
 
 Returns JSON with all the data about the current routes. Be aware that the command
-field must be a json scaped string.
+field must be an escaped JSON string.
 
 * **URL**: `/routes`
 * **Method**: `GET`