diff --git a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/2to3.yaml b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/2to3.yaml
index a8ce1c0..66d4c06 100644
--- a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/2to3.yaml
+++ b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/2to3.yaml
@@ -46,10 +46,10 @@ Parameters:
 - name: 2to3.kernel_config_map_json
   description: |
     kernel_config_map_json:
-    json object defining library calls required to load the kernel-specific
+    json defining library calls required to load the kernel-specific
     converting modules, and the prefix & postfix for the json-format string
     required to make the converting call.
-  input_type: json_object
+  input_type: textarea
   default: |
     {
       "python": {
diff --git a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/autopep8.yaml b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/autopep8.yaml
index b7912ee..99e0853 100644
--- a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/autopep8.yaml
+++ b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/autopep8.yaml
@@ -48,10 +48,10 @@ Parameters:
 
 - name: autopep8.kernel_config_map_json
   description: |
-    json object defining library calls required to load the kernel-specific
+    json defining library calls required to load the kernel-specific
     prettifying modules, and the prefix & postfix for the json-format string
     required to make the prettifying call.
-  input_type: json_object
+  input_type: textarea
   default: |
     {
         "python": {
diff --git a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/code_prettify.yaml b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/code_prettify.yaml
index ffedc9c..2f5d44b 100644
--- a/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/code_prettify.yaml
+++ b/src/jupyter_contrib_nbextensions/nbextensions/code_prettify/code_prettify.yaml
@@ -48,10 +48,10 @@ Parameters:
 
 - name: code_prettify.kernel_config_map_json
   description: |
-    json object defining library calls required to load the kernel-specific
+    json defining library calls required to load the kernel-specific
     prettifying modules, and the prefix & postfix for the json-format string
     required to make the prettifying call.
-  input_type: json_object
+  input_type: textarea
   default: |
     {
       "python": {