diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4
index a33e8fb37cc1..e9611240d775 100644
--- a/share/man/man4/tcp.4
+++ b/share/man/man4/tcp.4
@@ -147,7 +147,7 @@ See
 .Xr mod_cc 4
 for details.
 .It Dv TCP_KEEPINIT
-This write-only 
+This write-only
 .Xr setsockopt 2
 option accepts a per-socket timeout argument of
 .Vt "u_int"
@@ -160,7 +160,7 @@ in the
 .Sx MIB Variables
 section further down.
 .It Dv TCP_KEEPIDLE
-This write-only 
+This write-only
 .Xr setsockopt 2
 option accepts an argument of
 .Vt "u_int"
@@ -176,7 +176,7 @@ in the
 .Sx MIB Variables
 section further down.
 .It Dv TCP_KEEPINTVL
-This write-only 
+This write-only
 .Xr setsockopt 2
 option accepts an argument of
 .Vt "u_int"
@@ -191,7 +191,7 @@ in the
 .Sx MIB Variables
 section further down.
 .It Dv TCP_KEEPCNT
-This write-only 
+This write-only
 .Xr setsockopt 2
 option accepts an argument of
 .Vt "u_int"