Fix help

Author: ddeville

config/common/.config/fish/functions/kk.fish

@@ -1,6 +1,6 @@
 function kk
     if test (count $argv) -eq 0
-        echo "Usage: kk <context>"
+        echo "Usage: kk <context> <... args ...>"
         return 1
     end
     if test (count $argv) -eq 1

config/common/.config/fish/functions/kxn.fish

@@ -1,6 +1,6 @@
 function kxn
     if test (count $argv) -ne 2
-        echo "Usage: kx <context> <ns>"
+        echo "Usage: kx <context> <namespace>"
         return 1
     end
     kubectl config use-context $argv[1]