diff --git a/etc/sysctl.conf b/etc/sysctl.conf
index 85125cb3db2..2fa486fa5a1 100644
--- a/etc/sysctl.conf
+++ b/etc/sysctl.conf
@@ -9,4 +9,4 @@
 			# the amount of wasted memory this causes it's not
 			# advised for machines with less than 64MB of RAM, but
 			# on machines with more than 64MB it can provide a
-			# substantial benefit related to directory caching
+			# substantial benefit related to directory caching.