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 # Data model
 
+If you are not familiar with [git internals](https://git-scm.com/book/en/v1/Git-Internals),
+you might first want to read about them,
+as the `git-bug` data model is built on top of them.
+
 The biggest problem when creating a distributed bug tracker is that there is no central authoritative server (doh!). This implies some constraints.
 
 ## Anybody can create and edit bugs at the same time as you