Under the section title, Using an Azure Resource Manager template, is a paragraph, below the first JSON snippet and the note in mauve,
“Adding the user-assigned type and a cotells Azure to create and manage the identity for your application.”
The seems to be some text missing between the “o” and the “t” in “cotells.”
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Thanks for the feedback! I have assigned the issue to the content author to investigate further and update the document as appropriate.
/cc: @mattchenderson