diff --git a/Proteus.md b/Proteus.md
index d479bdf8..d537d2bb 100644
--- a/Proteus.md
+++ b/Proteus.md
@@ -29,6 +29,7 @@ Source & production files at: https://github.com/mck1117/proteus/
 [Image showing mod for V0.3 DFU problem](Images/Proteus_DFU_Hack.jpg)
 
 
+<a name="3d_cases"/>
 ## 3D cases
 
 [vented/unvented by Kneelo](Hardware/Proteus/Proteus_0.3_case_by_kneelo.zip)