diff --git a/pages/common/nproc.md b/pages/common/nproc.md
index 9cff59d08a..a4f7d6f2e2 100644
--- a/pages/common/nproc.md
+++ b/pages/common/nproc.md
@@ -1,6 +1,7 @@
 # nproc
 
 > Print the number of processing units (normally CPUs) available.
+> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nproc-invocation.html>.
 
 - Display the number of available processing units: