docs : Move period inside quotation marks for consistency

data/reusables/profile/create-profile-readme.md

@@ -1,5 +1,5 @@
 {% data reusables.repositories.create_new %}
-1. Under "Repository name", type a repository name that matches your {% data variables.product.prodname_dotcom %} username. For example, if your username is "octocat", the repository name must be "octocat".
+1. Under "Repository name", type a repository name that matches your {% data variables.product.prodname_dotcom %} username. For example, if your username is "octocat", the repository name must be "octocat."
 1. Optionally, in the "Description" field, type a description of your repository. For example, "My personal repository."
 1. Select **Public**.
 {% data reusables.repositories.initialize-with-readme %}