Fix typo in options.xul

options.xul

@@ -2,6 +2,6 @@
 <vbox xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <setting data-jetpack-id="jid1-BoFifL9Vbdl2zQ@jetpack" pref="extensions.jid1-BoFifL9Vbdl2zQ@jetpack.addNotice" pref-name="addNotice" title="Add comments to locally fetched files" type="bool">Automatically prepend a notice to retrieved documents to signal local delivery.</setting>
   <setting data-jetpack-id="jid1-BoFifL9Vbdl2zQ@jetpack" pref="extensions.jid1-BoFifL9Vbdl2zQ@jetpack.blockMissing" pref-name="blockMissing" title="Block requests for missing resources" type="bool">Cancel intercepted request if the required resource is not locally available.</setting>
-  <setting data-jetpack-id="jid1-BoFifL9Vbdl2zQ@jetpack" pref="extensions.jid1-BoFifL9Vbdl2zQ@jetpack.domainWhitelist" pref-name="domainWhitelist" title="Exclude domains from inspections" type="string">Enter domains to whitelist them. Separate multipe entries with semi-colons (;).</setting>
+  <setting data-jetpack-id="jid1-BoFifL9Vbdl2zQ@jetpack" pref="extensions.jid1-BoFifL9Vbdl2zQ@jetpack.domainWhitelist" pref-name="domainWhitelist" title="Exclude domains from inspections" type="string">Enter domains to whitelist them. Separate multiple entries with semi-colons (;).</setting>
   <setting data-jetpack-id="jid1-BoFifL9Vbdl2zQ@jetpack" pref="extensions.jid1-BoFifL9Vbdl2zQ@jetpack.amountInjected" pref-name="amountInjected" title="Counter for locally injected resources" type="integer">Amount of local Content Delivery Network resource injections since installation.</setting>
 </vbox>