fix acknowledgements

src/00_intro/achnowledgements.tex

@@ -6,6 +6,6 @@
     I greatly appreciated having her as my advisor for the bachelor thesis.
 
     I also want to thank Lars Herrmann, Abinas Kuganathan and Clemens Meier for their help throughout the project.
-    Their contributions were greatly appreciated.
+    Their inputs were greatly appreciated.
 
     Finally, I would like to thank my friends and family for their support, not only during this thesis, but over the past three years.