Fix typo in manpage (Closes: #583778)

ChangeLog

@@ -17,6 +17,9 @@ version 0.9.8 -- UNRELEASED
 	 . Better example.dup documentation. Thanks, Alster!
 	 . Added ftp_password option to securely transmit the FTP password
 	   from backupninja to duplicity.
+    doc changes
+	manpage:
+	 . Fix typo in manpage (Closes: #583778)
 
 version 0.9.7 -- January 27, 2010
     backupninja changes

man/backupninja.1

@@ -96,7 +96,7 @@ To preform the actual backup actions, backupninja processes each action configur
 
 .SH EXAMPLE USAGE
 .TP
-Backupninja can be used to impliment whatever backup strategy you choose. It is intended, however, to be used like so:
+Backupninja can be used to implement whatever backup strategy you choose. It is intended, however, to be used like so:
 .TP
 First, databases are safely copied or exported to /var/backups.  Often, you cannot make a file backup of a database while it is in use, hence the need to use special tools to make a safe copy or export into /var/backups.
 .TP