Fixed wrong links.

HISTORY.rst

@@ -5,14 +5,14 @@ History
 0.20.0 (2021-11-24)
 -------------------
 
-* `!34`_: Tests are now called via pytest instead of nosetest. This improves stability and test output and adds nice
+* `!33`_: Tests are now called via pytest instead of nosetest. This improves stability and test output and adds nice
   reports. Coverage now works in multiprocessing after properly closing and joining multiprocessing.Pool and adding
   .coveragerc.
-* `!35`_: Fixed AttributeError in ProgressBar in case sys.stderr is None. Added tests for processing module.
+* `!34`_: Fixed AttributeError in ProgressBar in case sys.stderr is None. Added tests for processing module.
 
 
+.. _!33: https://git.gfz-potsdam.de/danschef/py_tools_ds/-/merge_requests/33]
 .. _!34: https://git.gfz-potsdam.de/danschef/py_tools_ds/-/merge_requests/34]
-.. _!35: https://git.gfz-potsdam.de/danschef/py_tools_ds/-/merge_requests/35]
 
 0.19.1 (2021-11-19)
 -------------------