diff --git a/www/docs/customization/git.md b/www/docs/customization/git.md
index 9bb6ae71e..247075744 100644
--- a/www/docs/customization/git.md
+++ b/www/docs/customization/git.md
@@ -16,5 +16,7 @@ git:
   # What should be used to specify prerelease suffix while sorting tags when gathering
   # the current and previous tags if there are more than one tag in the same commit.
   #
+  # Since: v1.17.0.
+  # Default: empty, uses what's defined in the git configuration.
   prerelease_suffix: "-"
 ```