Add space

Author: bjee19

tests/results/zero-downtime-scale/2.1.0/2.1.0-plus.md

@@ -24,6 +24,7 @@ GKE Cluster:
 
 - Latency in requests remained consistent with 2.0 results.
 - 502 errors from 2.0 results still remain, but have decreased in frequency (success rate is higher and number of tests which have errors have decreased). 
+
 ## One NGINX Pod runs per node Test Results
 
 ### Scale Up Gradually