diff --git a/share/man/man4/sl.4 b/share/man/man4/sl.4
index 9955129846cf..1c6685bccf7e 100644
--- a/share/man/man4/sl.4
+++ b/share/man/man4/sl.4
@@ -57,7 +57,7 @@ command:
 .It Em link0
 Enable VJ header compression.
 .It Em link1
-Supress ICMP traffic.
+Suppress ICMP traffic.
 .It Em link2
 Enable VJ header compression autodetection.  This will turn on the
 .Em link0