Spelling error in rdisc.c error message

Spelling error appears in error message displayed to the user.
diff below is difference between original file and my own fixed version.

diff rdisc.c rdisc.fc
390c390
< (void) fprintf(stderr, "Extra paramaters\n");
---
> (void) fprintf(stderr, "Extra parameters\n");

Version information
apt-cache policy iputils-ping
iputils-ping:
  Installed: 3:20071127-1
  Candidate: 3:20071127-1
  Version table:
 *** 3:20071127-1 0
        500 http://archive.ubuntu.com intrepid/main Packages
        100 /var/lib/dpkg/status

Ubuntu 8.10

ProblemType: Bug
Architecture: i386
Dependencies:
 libgcc1 1:4.3.2-1ubuntu12
 gcc-4.3-base 4.3.2-1ubuntu12
 findutils 4.4.0-2ubuntu3
 libc6 2.8~20080505-0ubuntu7
DistroRelease: Ubuntu 8.10
Package: iputils-ping 3:20071127-1
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: iputils
Uname: Linux 2.6.27-7-generic i686