[YARN-6809] Fix typo in ResourceManagerHA.md

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-beta1, 2.8.2
• Component/s: documentation
• Labels: newbie
• Hadoop Flags: Reviewed
• Assignee: Yeliang Cang
• Reporter: Akira Ajisaka
• Created: 12/Jul/17 07:59
• Updated: 25/Jul/17 04:45
• Resolved: 12/Jul/17 10:40

Description

ResourceManagerHA.md

### Recovering prevous active-RM's state

prevous should be previous.