Update keps/sig-node/4176-cpumanager-spread-cpus-preferred-policy/README.md

Co-authored-by: Kevin Klues <[email protected]>

Author: Jeffwan

keps/sig-node/4176-cpumanager-spread-cpus-preferred-policy/README.md

@@ -200,7 +200,7 @@ know that this has succeeded?
 - Introduce a new CPU Manager Static Policy that spreads hyper threads across physical cores without considering NUMA.
 - Enhance application performance by taking advantage of L2 Cache.
 
-### Non-Goals
+## Non-Goals
 
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 What is out of scope for this KEP? Listing non-goals helps to focus discussion