Update content/en/docs/Reference/catalog-templates.md

Co-authored-by: Michael Peter <mipeter@redhat.com>

content/en/docs/Reference/catalog-templates.md

@@ -235,7 +235,7 @@ This alpha version of the `semver template` has the following goals:
 - minor-version (Y-stream) and major-version (X-stream) versioning capabilities
 - clear mapping between input schema and output FBC attributes
 
-Note: `csv.spec.version` is optional in the API definition, however the field is required if you want to use the `semver template` for your catalog.
+Note: The semver template depends on the optional `csv.spec.version` field. If you want to use the semver catalog template, you must specify a version in your extension's CSV.
 
 ### Specification
 Like best practices [recommended channel naming](/docs/best-practices/channel-naming/#recommended-channel-naming), this template supports channel names `Candidate`, `Fast`, and `Stable`, in order of increasing channel stability. We leverage this relationship when calculating the default channel for the package.