Update ca.yml

Author: Cobra-Bitcoin

_translations/ca.yml

@@ -1173,7 +1173,7 @@ ca:
     wallets-guide: guia-de-moneders
     development: desenvolupament
     download: descarrega
-    exchanges: cases de canvi
+    exchanges: cases-de-canvi
     events: events
     faq: faq
     getting-started: iniciat