diff --git a/site/content/ytt/docs/develop/how-to-write-schema.md b/site/content/ytt/docs/develop/how-to-write-schema.md
index 5d24b5324..f4ce2df6c 100644
--- a/site/content/ytt/docs/develop/how-to-write-schema.md
+++ b/site/content/ytt/docs/develop/how-to-write-schema.md
@@ -248,7 +248,7 @@ honeycomb:
   optional_config: null
 ```
 
-Here, `additional_config` can contain any valid YAML.
+Here, `optional_config` can contain any valid YAML.
 
 For example:
 
@@ -279,4 +279,4 @@ honeycomb:
 ---
 ## Next Steps
 
-Once you've declared your Data Values, they can be referenced in `ytt` templates as described in [Using Data Values > Referencing Data Values](how-to-use-data-values.md#referencing-data-values)
\ No newline at end of file
+Once you've declared your Data Values, they can be referenced in `ytt` templates as described in [Using Data Values > Referencing Data Values](how-to-use-data-values.md#referencing-data-values)
diff --git a/site/content/ytt/docs/v0.50.x/how-to-write-schema.md b/site/content/ytt/docs/v0.50.x/how-to-write-schema.md
index 2f29ba188..7548dd145 100644
--- a/site/content/ytt/docs/v0.50.x/how-to-write-schema.md
+++ b/site/content/ytt/docs/v0.50.x/how-to-write-schema.md
@@ -249,7 +249,7 @@ honeycomb:
   optional_config: null
 ```
 
-Here, `additional_config` can contain any valid YAML.
+Here, `optional_config` can contain any valid YAML.
 
 For example: