diff --git a/docs/index.md b/docs/index.md
index 9041a6c..383986c 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -75,7 +75,7 @@ The shaper is a separate PCB connected to the mother board (with 4-wire cable) a
 ![Shaper_assembly](img_shaper_assembly.png)<br>
 In order to prevent losses from the corona effect, all conductive surfaces on the top layer of the assembled cascade (except the flat-cable connector) can be coated with corona-protective insulating material (e.g. Plastik70 from Kontakt Chemie or similar).<br>
 Sharp and round tips according to the standard including 4mm connectors should be custom made.<br>
-![Tips](img_tips)<br>
+![Tips](img_tips.png)<br>
 
 ### Claws and strap
 The strap is 2 m 34-wire flat cable connected to the cascade with 34-bin boxer connector. The other end of the strap is connected via 34-pin boxer connector to PCB with claws for GND contact. The main purpose of the claws is to provide easy way of connecting the ground of O-ESD, while the strap connects the O-ESD and the claws.<br>