diff --git a/action.yml b/action.yml
index 53729e66..7166dfd0 100644
--- a/action.yml
+++ b/action.yml
@@ -87,6 +87,7 @@ inputs:
   
   output_condition:
     description: Output condition
+    default: <default-value>
   
   optimize:
     description: Optimization features
diff --git a/source/plugins/core/README.md b/source/plugins/core/README.md
index def5558b..35535826 100644
--- a/source/plugins/core/README.md
+++ b/source/plugins/core/README.md
@@ -525,8 +525,10 @@ On forks, this feature is disable to take into account any changes you made on i
 <img width="900" height="1" alt=""></td>
   </tr>
   <tr>
-    <td nowrap="nowrap"><b>type:</b> <code>undefined</code>
-<br></td>
+    <td nowrap="nowrap"><b>type:</b> <code>string</code>
+<br>
+<b>default:</b> always<br>
+<b>allowed values:</b><ul><li>always</li><li>data-changed</li></ul></td>
   </tr>
   <tr>
     <td nowrap="nowrap"><code>optimize</code></td>