diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index 1bfb3c5..4ad2b7e 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -506,7 +506,7 @@ module Searchkick
         elsif all && default_match == :phrase
           ["_all.phrase"]
         else
-          raise ArgumentError, "Must specify fields"
+          raise ArgumentError, "Must specify fields to search"
         end
       [boost_fields, fields]
     end
--
libgit2 0.21.0