Update src/main/resources/specifications.properties

Co-authored-by: Dan Caseley <[email protected]>

src/main/resources/specifications.properties

@@ -430,7 +430,7 @@ XEP-0406=Mediated Information eXchange (MIX): MIX Administration
 XEP-0407=Mediated Information eXchange (MIX): Miscellaneous Capabilities
 XEP-0408=Mediated Information eXchange (MIX): Co-existence with MUC
 XEP-0409=IM Routing-NG
-XEP-0410=MUC Self-Ping (Schrödinger's Chat)
+XEP-0410=MUC Self-Ping (Schrödinger's Chat)
 XEP-0411=Bookmarks Conversion
 XEP-0412=XMPP Compliance Suites 2019
 XEP-0413=Order-By
@@ -510,4 +510,4 @@ XEP-0486=MUC Avatars
 XEP-0487=Host Meta 2 - One Method To Rule Them All
 XEP-0488=MUC Token Invite
 XEP-0489=Reporting Account Affiliations
-XEP-0490=Message Displayed Synchronization"specs.put();
+XEP-0490=Message Displayed Synchronization