diff --git a/lib/brightbox-cli/config.rb b/lib/brightbox-cli/config.rb
index <HASH>..<HASH> 100644
--- a/lib/brightbox-cli/config.rb
+++ b/lib/brightbox-cli/config.rb
@@ -102,7 +102,7 @@ module Brightbox
         else
           # Is client ambigious?
           if default_client.nil? && clients.length > 1
-            raise BBConfigError, "You must specify a default client using brightbox-config client_default"
+            raise BBConfigError, "You must specify a default client using brightbox config client_default"
           end
           @client_name = default_client || clients.first
         end
diff --git a/spec/unit/brightbox/bb_config/client_name_spec.rb b/spec/unit/brightbox/bb_config/client_name_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/unit/brightbox/bb_config/client_name_spec.rb
+++ b/spec/unit/brightbox/bb_config/client_name_spec.rb
@@ -70,7 +70,7 @@ describe Brightbox::BBConfig do
         it "raises an error" do
           expect {
             @config.client_name
-          }.to raise_error(Brightbox::BBConfigError, "You must specify a default client using brightbox-config client_default")
+          }.to raise_error(Brightbox::BBConfigError, "You must specify a default client using brightbox config client_default")
         end
       end
Updates command to run in output

"brightbox config" should be used in preference to "brightbox-config"