Update CHANGELOG.md

Co-authored-by: Sebastian Bernauer <[email protected]>

Author: adwk67

CHANGELOG.md

@@ -12,7 +12,7 @@ All notable changes to this project will be documented in this file.
 
 - BREAKING (behaviour): Specified CPU resources are now applied correctly (instead of rounding it to the next whole number).
   This might affect your jobs, as they now e.g. only have 200m CPU resources requested instead of the 1000m it had so far,
-  meaning they might slow down significantly([#408]).
+  meaning they might slow down significantly ([#408]).
 
 [#401]: https://github.com/stackabletech/spark-k8s-operator/pull/401
 [#408]: https://github.com/stackabletech/spark-k8s-operator/pull/408