diff --git a/pages/common/tee.md b/pages/common/tee.md
index fe92a69d6c..129b681d62 100644
--- a/pages/common/tee.md
+++ b/pages/common/tee.md
@@ -1,6 +1,7 @@
 # tee
 
 > Read from standard input and write to standard output and files (or commands).
+> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tee-invocation.html>.
 
 - Copy standard input to each FILE, and also to standard output: