docs(writing-templates): correct typos

Signed-off-by: Enrico Alvarenga <enricomalvarenga@gmail.com>

docs/features/software-templates/writing-templates.md

@@ -627,7 +627,7 @@ its components, such as `owner`, repository `name`, and more.
     extra: ${{ parameters.repoUrl | parseRepoUrl }}
 ```
 
-- **Input**: `https://github.com/backstage/backstage`
+- **Input**: `github.com?repo=backstage&org=backstage`
 - **Output**: [RepoSpec](https://github.com/backstage/backstage/blob/v1.17.2/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/util.ts#L39)
 
 ### parseEntityRef
@@ -677,8 +677,8 @@ This `pick` filter allows you to select specific properties from an object.
     extra: ${{ parameters.owner | parseEntityRef | pick('name') }}
 ```
 
-- **Input**: `group:techdocs`
-- **Output**: `techndocs`
+- **Input**: `{ kind: 'Group', namespace: 'default', name: 'techdocs' }`
+- **Output**: `techdocs`
 
 ### projectSlug
 
@@ -694,5 +694,5 @@ The `projectSlug` filter generates a project slug from a repository URL
     extra: ${{ parameters.repoUrl | projectSlug }}
 ```
 
-- **Input**: `https://github.com/backstage/backstage`
+- **Input**: `github.com?repo=backstage&org=backstage`
 - **Output**: `backstage/backstage`