Fix skills distribution docs

Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>

Author: rdimitrov

docs/toolhive/concepts/skills.mdx

@@ -60,13 +60,14 @@ tool.
 
 ## Distribution
 
-Skills are packaged as OCI artifacts for distribution. This means you can push
-skills to any OCI-compatible registry (such as GitHub Container Registry) and
-reference them by tag or digest, just like container images.
+Skills can be distributed as OCI artifacts or from Git repositories. OCI
+artifacts can be pushed to any OCI-compatible registry (such as GitHub Container
+Registry) and referenced by tag or digest. Git-based packages reference a
+repository URL, commit, and optional subfolder.
 
 The ToolHive Registry Server stores skill metadata and makes it searchable
-through its API. The actual skill content is fetched from the OCI registry when
-a skill is installed.
+through its API. The actual skill content is fetched from the package source
+when a skill is installed.
 
 ## Lifecycle