diff --git a/pages/common/ack.md b/pages/common/ack.md
index 2febc05c7..e8d58b03b 100644
--- a/pages/common/ack.md
+++ b/pages/common/ack.md
@@ -1,6 +1,7 @@
 # ack
 
 > A search tool like grep, optimized for programmers.
+> Homepage: <https://beyondgrep.com/documentation/>.
 
 - Find files containing "foo":