Update CHANGELOG.md

CHANGELOG.md

@@ -11,9 +11,9 @@
 - [#498](https://github.com/helmholtz-analytics/heat/pull/498) Feature: flip()
 - [#499](https://github.com/helmholtz-analytics/heat/pull/499) Bugfix: MPI datatype mapping: `torch.int16` now maps to `MPI.SHORT` instead of `MPI.SHORT_INT`
 - [#507](https://github.com/helmholtz-analytics/heat/pull/507) Bugfix: sanitize_axis changes axis of 0-dim scalars to None
-- [#515] (https://github.com/helmholtz-analytics/heat/pull/515) ht.var() now returns the unadjusted sample variance by default, Bessel's correction can be applied by setting ddof=1.
-- [#519] (https://github.com/helmholtz-analytics/heat/pull/519) Bugfix: distributed slicing with empty list or scalar as input; distributed nonzero() of empty (local) tensor.
-- [#522] (https://github.com/helmholtz-analytics/heat/pull/522) Added CUDA-aware MPI detection for MVAPICH, MPICH and ParaStation.
+- [#515](https://github.com/helmholtz-analytics/heat/pull/515) ht.var() now returns the unadjusted sample variance by default, Bessel's correction can be applied by setting ddof=1.
+- [#519](https://github.com/helmholtz-analytics/heat/pull/519) Bugfix: distributed slicing with empty list or scalar as input; distributed nonzero() of empty (local) tensor.
+- [#522](https://github.com/helmholtz-analytics/heat/pull/522) Added CUDA-aware MPI detection for MVAPICH, MPICH and ParaStation.
 
 # v0.3.0