Completed-Theses.md

@@ -47,7 +47,7 @@
 ### Bachelor theses
 
 * *Image Characetristics of the Fresnel lens of the HAWC's Eye telescope* (Lukas Jäschke, Sept. 2019, 3a)
-[[pdf](https://git.rwth-aachen.de/tbretz/research/raw/master/Theses/Bachelor/Lukas%20J%C3%A4schke%20-%20Image%20Characteristics%20of%20the%20Fresnel%20lens%20of%20the%20HAWC's%20Eye%20telescope.pdf)]
+[[pdf](https://git.rwth-aachen.de/tbretz/research/raw/master/Theses/Bachelor/Lukas Jäschke - Image Characteristics of the Fresnel lens of the HAWC's Eye telescope.pdf)]
 
 
 * *Test und Inbetriebnahme eines Heizsystems für das IceAct-Teleskop am Südpol* (Matthias Bodenberg, Feb. 2019, 3b)