diff --git a/docs/SUMMARY.md b/docs/SUMMARY.md
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+# Summary
+
+-   [Introduction](../README.md)
+
+# Deep dive
+
+-   [Storage notes](storage-notes.md)
+-   [Unverified devices](warning-on-unverified-devices.md)
diff --git a/docs/warning-on-unverified-devices.txt b/docs/warning-on-unverified-devices.md
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rename to docs/warning-on-unverified-devices.md