[BUGFIX] t3o_slack: Remove spelling mistake

extensions/t3o_slack/Resources/Private/Templates/SlackUser/New.html

@@ -33,7 +33,7 @@ Otherwise your changes will be overwritten the next time you save the extension
 		<f:form.submit class="btn btn-primary" value="Create TYPO3 Slack account"/>
 	</f:form>
 
-		<p>If you have already a TYPO3 Slack Ascount, you can connect your account with your TYPO3.org user profile.</p>
+		<p>If you have already a TYPO3 Slack Account, you can connect your account with your TYPO3.org user profile.</p>
 
 		<f:link.action action="connect" class="btn btn-secondary">Connect now</f:link.action>