fix doc issue (#27410)

Author: satyajitanand

docs/BUG_REPORT.md

@@ -100,7 +100,7 @@ report is different here. Some examples:
 
 -   `Specification changed this attribute from optional to mandatory so this may be the cause of the issue`
 
--   `This issue may be related to #1234 as the same error is seen, however the reproduction steps seemed distinct enough that I openend a new issue`
+-   `This issue may be related to #1234 as the same error is seen, however the reproduction steps seemed distinct enough that I opened a new issue`
 
 -   `While running this, I observed 100% CPU before the operation finally timed out`