readme: Fix typos in batch-mode instructions.

README.md

@@ -128,7 +128,7 @@ Verbose option will display which files and attrs are actually synchronized and
 You may mix "--silent" and "--verbose" parameters to output verbose input only in the log files.
 No-Maxtime option will disable execution time checks, which is usefull for big initial sync tasks that might take long time. Next runs should then only propagate changes and take much less time.
 
-Once you're confident about your fist runs, you may add osync as cron task like the following in /etc/crontab which would run osync every 30 minutes:
+Once you're confident about your first runs, you may add osync as a cron task like the following in /etc/crontab which would run osync every 30 minutes:
 
 	*/30 * * * * root /usr/local/bin/osync.sh /etc/osync/my_sync.conf --silent