diff --git a/share/man/man5/remote.5 b/share/man/man5/remote.5
index 261687f4f8f4..d8f8b98fccc4 100644
--- a/share/man/man5/remote.5
+++ b/share/man/man5/remote.5
@@ -114,7 +114,7 @@ This host is on a dial-up line.
 device(s) to open to establish a connection. 
 If this file refers to a terminal line,
 .Xr tip 1
-attempts to perform an exclusive open on the device to insure only
+attempts to perform an exclusive open on the device to ensure only
 one user at a time has access to the port.
 .It Cm \&el
 (str)