As Duy pointed out, the glossary needs an update too.
For this one, the cange can be minimal I think:
diff --git a/Documentation/glossary-content.txt
b/Documentation/glossary-content.txt
index 8ad29e6..f127fe9 100644
--- a/Documentation/glossary-content.txt
+++ b/Documentation/glossary-content.txt
@@ -386,7 +386,7 @@ Glob magic is incompatible with literal magic.
exclude;;
After a path matches any non-exclude pathspec, it will be run
- through all exclude pathspec (magic signature: `!`). If it
+ through all exclude pathspec (magic signature: `!` or `^`). If it
matches, the path is ignored.
--