Fix imprint link

pelicanconf.py

@@ -102,7 +102,7 @@ I18N_SUBSITES = {
             ("Terms of use and privacy", "/pages/nutzungsbedingungen_datenschutz.html"),
             ("Terms and conditions for activities", "/pages/agb_freizeiten.html"),
             ("Licenses", "/pages/lizenzen.html"),
-            ("Imprint", "/pages/impressum-.html"),
+            ("Imprint", "/pages/impressum.html"),
         ]
     }
 }