Merge pull request #205830 from mousedownmike/docs_sec_wireless_minor

docs: added missing semicolon in example

nixos/doc/manual/configuration/wireless.section.md

···
   echelon = {
     pskRaw = "dca6d6ed41f4ab5a984c9f55f6f66d4efdc720ebf66959810f4329bb391c5435";
   };
-}
+};
 ```
 
 or you can use it to directly generate the `wpa_supplicant.conf`:

nixos/doc/manual/from_md/configuration/wireless.section.xml

···
   echelon = {
     pskRaw = "dca6d6ed41f4ab5a984c9f55f6f66d4efdc720ebf66959810f4329bb391c5435";
   };
-}
+};
 </programlisting>
   <para>
     or you can use it to directly generate the