diff --git a/_Sidebar.md b/_Sidebar.md
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--- a/_Sidebar.md
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@@ -1,4 +1,5 @@
 Soldering Irons
 * [TS100](https://github.com/Ralim/IronOS/wiki/TS100)
+* * [Firmware](https://github.com/Ralim/IronOS/wiki/TS100/Firmware)
 * [TS80P](https://github.com/Ralim/IronOS/wiki/TS80P)
 * [Pinecil](https://github.com/Ralim/IronOS/wiki/Pinecil)