update comment for kernel.sysrq

diff --git a/sysctl.conf b/sysctl.conf
index d918cd56e447d241b7a9c57a28aec161ce64bab6..a34935ba85b4811d5cdb7e573d75451c2097db90 100644 (file)
--- a/sysctl.conf
+++ b/sysctl.conf
@@ -131,7 +131,9 @@ net.ipv4.conf.default.rp_filter = 1
 # Useful for debugging multi-threaded applications.
 #kernel.core_uses_pid = 1
 
-# Enable the magic-sysrq key
+# System Request functionality of the kernel (SYNC)
+# Use kernel.sysrq = 1 to allow all keys.
+# See http://fedoraproject.org/wiki/QA/Sysrq for a list of values and keys.
 kernel.sysrq = 1
 
 # After how many seconds reboot system after kernel panic?