Update translation

apps/client/src/locales/messages.de.xlf

@@ -2143,7 +2143,7 @@
       </trans-unit>
       <trans-unit id="7500665368930738879" datatype="html">
         <source>or start a discussion at</source>
-        <target state="translated">oder beginne eine Diskussion unter</target>
+        <target state="translated">oder beginne eine Diskussion bei</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/pages/about/overview/about-overview-page.html</context>
           <context context-type="linenumber">94</context>