diff --git a/pages/common/nice.md b/pages/common/nice.md
index c23226397..911e13afd 100644
--- a/pages/common/nice.md
+++ b/pages/common/nice.md
@@ -2,6 +2,7 @@
 
 > Execute a program with a custom scheduling priority (niceness).
 > Niceness values range from -20 (the highest priority) to 19 (the lowest).
+> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nice-invocation.html>.
 
 - Launch a program with altered priority: