Fix a typo breaking markdown for the code block.

RELNOTES: None
PiperOrigin-RevId: 502608609
Change-Id: I118c425b72c69f72dcd5eebbb5d8ae3249e9f69b

site/en/concepts/visibility.md

diff --git a/site/en/concepts/visibility.md b/site/en/concepts/visibility.md
index 8b395f5..b4bbd64 100644
--- a/site/en/concepts/visibility.md
+++ b/site/en/concepts/visibility.md
@@ -379,7 +379,7 @@
 # //mylib/macros.bzl
 
 load(":internal_defs.bzl", "our_packages")
-load("//some_big_client:defs.bzl", "their_remaining_uses)
+load("//some_big_client:defs.bzl", "their_remaining_uses")
 
 # List concatenation. Duplicates are fine.
 visibility(our_packages + their_remaining_uses)