Change wording in whiptail for adlist selection

Signed-off-by: Christian König <ckoenig@posteo.de>

automated install/basic-install.sh

@@ -1285,7 +1285,7 @@ chooseBlocklists() {
         mv "${adlistFile}" "${adlistFile}.old"
     fi
     # Let user select (or not) blocklists via a checklist
-    cmd=(whiptail --separate-output --checklist "Pi-hole relies on third party lists in order to block ads.\\n\\nYou can use the suggestions below, and/or add your own after installation\\n\\nTo deselect any list, use the arrow keys and spacebar" "${r}" "${c}" 5)
+    cmd=(whiptail --separate-output --checklist "Pi-hole relies on third party lists in order to block ads.\\n\\nYou can use the suggestion below, and/or add your own after installation\\n\\nTo deselect the suggested list, use spacebar" "${r}" "${c}" 5)
     # In an array, show the options available (all off by default):
     options=(StevenBlack "StevenBlack's Unified Hosts List" on)