Fixing formatting issues

Author: MohammadRAlSalloum

collaboration/retrospectives/4_communicating_results.md

@@ -133,7 +133,7 @@ results matter more than impressive-looking metrics. This experience will be
 invaluable in professional settings where stakeholder trust determines project
 success and long-term impact.
 
-### Mohammad 
+### Mohammad
 
 I developed a better appreciation for how crucial feature selection,
 interpretability, and preprocessing are to meaningful predictions.