Fix image path

readme.md

@@ -15,4 +15,4 @@ The device runs on a single 9V battery and outputs it's signal on a 6.3mm audio
 
 There is a mistake with the output power switching in revision `0.9` – gladly this is easily fixed, by drilling away a pad and bridging a connection: 
 
-![](images\0.9_fix_jack.png)
\ No newline at end of file
+![](images/0.9_fix_jack.png)