Clarify allowlist and whitelist text

options.html

@@ -67,7 +67,7 @@ <h1>Settings</h1>
 				<textarea id="allowlist" value="" cols="80">
 				</textarea>
 				<br>
-				Allowlisted urls to use Google Container (for example third party SSO)<br>
+				Blacklist urls, puts websites into Google Container (for example third party SSO)<br>
 				<em>(Use one url per line.)</em>
 			</label>
 		</p>
@@ -77,7 +77,7 @@ <h1>Settings</h1>
 				<textarea id="whitelist" value="" cols="80">
 				</textarea>
 				<br>
-				Whitelisted urls (Google or allowlisted)<br>
+				Whitelisted urls<br>
 				<em>(Use one url per line.)</em>
 			</label>
 		</p>