Fix a markdown syntax error in the deployment docs
Fix a markdown syntax error in the deployment docs

Testing Done:
Rendered document before and then after.

Reviewed at https://reviews.apache.org/r/30248/

thinker0/aurora,kidaa/aurora,thinker0/aurora,apache/aurora,rosmo/aurora,apache/aurora,rdelval/aurora,crashlytics/aurora,mschenck/aurora,apache/aurora,thinker0/aurora,wfarner/aurora,rosmo/aurora,protochron/aurora,protochron/aurora,shahankhatch/aurora,crashlytics/aurora,mschenck/aurora,thinker0/aurora,rdelval/aurora,rosmo/aurora,shahankhatch/aurora,rosmo/aurora,wfarner/aurora,medallia/aurora,wfarner/aurora,medallia/aurora,protochron/aurora,crashlytics/aurora,kidaa/aurora,rosmo/aurora,wfarner/aurora,protochron/aurora,rdelval/aurora,rdelval/aurora,wfarner/aurora,apache/aurora,shahankhatch/aurora,kidaa/aurora,shahankhatch/aurora,thinker0/aurora,thinker0/aurora,medallia/aurora,rosmo/aurora,apache/aurora,mschenck/aurora,medallia/aurora,protochron/aurora,crashlytics/aurora,mschenck/aurora,protochron/aurora,kidaa/aurora,mschenck/aurora,crashlytics/aurora,wfarner/aurora,medallia/aurora,kidaa/aurora,rdelval/aurora,shahankhatch/aurora,apache/aurora,mschenck/aurora,crashlytics/aurora,rdelval/aurora,kidaa/aurora,medallia/aurora,shahankhatch/aurora