fix(ui): use proper grammar in the chain sync message (#1432)

Author: bitcoin-tools

nodebuilder

@@ -1730,7 +1730,7 @@ while [ "${ibd_status}" = 'true' ]; do
     exit 0
   fi
 
-  printf '%s\n\n' 'Synchronizing can take days weeks on a slow connection.'
+  printf '%s\n\n' 'The chain sync can take several days or even weeks.'
   printf '%s\n' "Close this Terminal window by clicking on the 'X'."
   printf '%s' "This screen will refresh in ${SLEEP_TIME} seconds."
   sleep "${SLEEP_TIME}"