diff --git a/README.md b/README.md
index 57638be..78c457e 100644
--- a/README.md
+++ b/README.md
@@ -18,15 +18,20 @@ Our project is currently made of the following physical parts:
     - Some small wifi-like antenna - [wimo, similar but different](https://www.wimo.com/en/antennas/gsm-lte-mobile-phone-antennas/60022-sma)
 
 We try to document our journey here:
-  - [Compile OpenWRT for the WPJ428](./doc/compile.md)
-  - [Flash OpenWRT on the WPJ428](./doc/flash.md)
-  - [Manually connect a modem to the network](./doc/manual-modem.md)
-  - [Our OpenWRT configuration](./doc/config.md)
-  - [The UDP+Don't Fragment bug](./doc/udp-df.md)
-  - [Tracking the bandwidth bottleneck](./doc/bottleneck.md)
-  - [Some logs/data/info about our hardware](./doc/logs.md)
-  - [Bibliography](./doc/bib.md)
-  - [Some mostly useless hacks](./doc/hacks.md)
+  - Guides
+    - [Our own OpenWRT image for the WPJ428](./doc/compile.md)
+    - [Flash OpenWRT on the WPJ428](./doc/flash.md)
+    - [Manually connect a modem to the network](./doc/manual-modem.md)
+    - [Our OpenWRT configuration](./doc/config.md)
+  - Problems we encountered
+    - Wrong dimensions for the board
+    - Ethernet ports are not configured at boot
+    - [The UDP+Don't Fragment bug](./doc/udp-df.md)
+    - [Tracking the bandwidth bottleneck](./doc/bottleneck.md)
+    - [Some logs/data/info about our hardware](./doc/logs.md)
+  - Misc
+    - [Bibliography](./doc/bib.md)
+    - [Some mostly useless hacks](./doc/hacks.md)