[0x0st] small correction

Co-authored-by: Gunter Labes <soliton.de@gmail.com>

Author: bw1

scripts/0x0st.pl

@@ -34,7 +34,7 @@
 %9Description%9
   $IRSSI{description}
     -p past url to channel
-    -s shorten url (disabled by 0xst)
+    -s shorten url (disabled by 0x0st)
     -u file from url
     -c self check
 %9See also%9