diff --git a/man2/unshare.2 b/man2/unshare.2
index 4399fcfe8..b4f874616 100644
--- a/man2/unshare.2
+++ b/man2/unshare.2
@@ -391,7 +391,8 @@ main(int argc, char *argv[])
 .BR fork (2),
 .BR kcmp (2),
 .BR setns (2),
-.BR vfork (2)
+.BR vfork (2),
+.BR proc (5)
 
 .I Documentation/unshare.txt
 in the Linux kernel source tree