diff --git a/Home.md b/Home.md
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@@ -47,4 +47,5 @@ Community guides that help you contribute to openpilot, or make your own modific
 * [Reflash CommaTwo/EON OS (NEOS)](../wiki/Flash-NEOS) - **TODO**
 
 ### Hardware
-* [comma pedal](../wiki/comma-pedal)
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+* [comma pedal](../wiki/comma-pedal)
+* [comma two GPS fix PDF](https://github.com/commaai/openpilot/files/4789621/comma_two_GPS_fix.1.pdf)
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