Lesson4.md

@@ -303,7 +303,7 @@ a color sensor reading was a measure of how much of the light from the color sen
 Next we tried obtaining black readings of actual black surfaces by finding unreflective black materials. For this
 purpose, Camillas jacket was used (se figure 1), and did indeed give a reading of black. 
 
-![Camillas jacket](https://gitlab.au.dk/LEGO/lego-kode/raw/add09c9974c2f4006182e7741d799a0c751d107f/week6/img/IMG_2227.JPG)
+![Camillas jacket](https://gitlab.au.dk/LEGO/lego-kode/raw/master/week6/img/IMG_2227.JPG)
 
 *Figure 1: Camillas jacket that gave a black reading when using the color sensor.*