Merge pull request #911 from github/mcfluffinstein-patch-1

Fix spelling mistake on requirements.md

Author: bonsohi

docs/requirements.md

@@ -61,7 +61,7 @@ snapshot of GitHub Enterprise Server 2.11, the target GitHub Enterprise Server a
 be running GitHub Enterprise Server 2.12.x or 2.13.x. You can't restore a snapshot from
 2.10 to 2.13, because that's three releases ahead.
 
-**Note**: You _cannot_ restore a backup created from a newer verison of GitHub Enterprise Server to an older version. For example, an attempt to restore a snapshot of GitHub Enterprise Server 2.21 to a GitHub Enterprise Server 2.20 environment will fail with an error of `Error: Snapshot can not be restored to an older release of GitHub Enterprise Server.`.
+**Note**: You _cannot_ restore a backup created from a newer version of GitHub Enterprise Server to an older version. For example, an attempt to restore a snapshot of GitHub Enterprise Server 2.21 to a GitHub Enterprise Server 2.20 environment will fail with an error of `Error: Snapshot can not be restored to an older release of GitHub Enterprise Server.`.
 
 ## Multiple backup hosts