Clarify reviewer setting in documentation
The filter.<filter>.reviewer can be a user's email address or
username, but it must be an exact case-sensitive match. Mention
this in the documentation.
Change-Id: I9bf3a45a235e1929ad8667ef97c820f5f10aeb5e
diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index 36d5068..fe05e25 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -21,8 +21,9 @@
```
filter.<filter>.reviewer
-: An account (email or full user name) or a group name. Multiple
- `reviewer` occurrences are allowed.
+: An account or a group name. Must be an exact match (case sensitive) with the
+ account's email address or username, or the group name. Multiple `reviewer`
+ occurrences are allowed.
##Multiple filter matches
