diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index 39d326abc6..b4d6476ac8 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -10,7 +10,8 @@
 --depth=<depth>::
 	Deepen the history of a 'shallow' repository created by
 	`git clone` with `--depth=<depth>` option (see linkgit:git-clone[1])
-	by the specified number of commits.
+	to the specified number of commits from the tip of each remote
+	branch history. Tags for the deepened commits are not fetched.
 
 ifndef::git-pull[]
 --dry-run::