Fix syntax error in frontmatter (missing space after colon)
What does this MR do?
Fix syntax error in frontmatter (missing space after colon).
Middleman builds were giving the following error:
YAML Exception parsing /Users/cwoolley/workspace/www-gitlab-com/source/pricing/self-managed/feature-comparison/index.html.haml: (<unknown>): could not find expected ':' while scanning a simple key at line 3 column 1