Merge pull request #3367 from replicatedhq/ajp-io-patch-1

Update custom-resource-config.mdx

Author: paigecalvert

docs/reference/custom-resource-config.mdx

@@ -72,7 +72,7 @@ Groups have a `name`, `title`, `description` and an array of `items`.
 
 Descriptive help text for the group that displays on the Admin Console Config page. Supports markdown formatting.
 
-To provide help text for individual items on the Config page, use the item `help-text` property. See [help_text](#help_text) below.
+To provide help text for individual items on the Config page, use the item `help_text` property. See [help_text](#help_text) below.
 
 ```yaml
 spec: