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-rw-r--r--actionpack/lib/action_dispatch/routing/route_set.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 38e9288572..7fb4719fa0 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -405,8 +405,9 @@ module ActionDispatch
if name && named_routes[name]
raise ArgumentError, "Invalid route name, already in use: '#{name}' \n" \
- "This conflict might arise if your routes contain `resources :#{name.pluralize}`. " \
- "If so, you can restrict the routes created with `resources` as explained here: \n" \
+ "You may have defined two routes with the same name using the `:as` option, or "
+ "you may be overriding a route already defined by a resource with the same naming. " \
+ "For the latter, you can restrict the routes created with `resources` as explained here: \n" \
"http://guides.rubyonrails.org/routing.html#restricting-the-routes-created"
end