diff --git a/docs/source/development/wrapperkernels.rst b/docs/source/development/wrapperkernels.rst
index 4525150..b6188fc 100644
--- a/docs/source/development/wrapperkernels.rst
+++ b/docs/source/development/wrapperkernels.rst
@@ -105,7 +105,7 @@ Example
 Here's the Kernel spec ``kernel.json`` file for this::
 
     {"argv":["python","-m","echokernel", "-f", "{connection_file}"],
-     "display_name":"Echo",
+     "display_name":"Echo"
     }