diff --git a/README.md b/README.md
index b5c8297..82a3c97 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,13 @@ Ecto integration for Apache Cassandra.
 
 Documentation: http://hexdocs.pm/cassandra_ecto/
 
+## Features
+
+* Migrations (with UDT support)
+* Lightweight transactions
+* Batching (only for `insert_all` queries)
+* Streaming
+
 ## Example
 
 ```elixir
@@ -50,8 +57,6 @@ Tested against 3.7+.
 
 ## Installation
 
-If [available in Hex](https://hex.pm/docs/publish), the package can be installed as:
-
   1. Add `cassandra_ecto` and `cqerl` to your list of dependencies in `mix.exs`:
 
     ```elixir
diff --git a/lib/cassandra_ecto/adapter/cql.ex b/lib/cassandra_ecto/adapter/cql.ex
index ecfe000..e6b382d 100644
--- a/lib/cassandra_ecto/adapter/cql.ex
+++ b/lib/cassandra_ecto/adapter/cql.ex
@@ -80,7 +80,7 @@ defmodule Cassandra.Ecto.Adapter.CQL do
       :exists     -> if_op("EXISTS")
       nil         -> ""
       wheres when is_list(wheres) ->
-        Enum.map_join(wheres, " AND ", fn {k, v} -> quote_name(k) <> " = ?" end)
+        Enum.map_join(wheres, " AND ", fn {k, _v} -> quote_name(k) <> " = ?" end)
         |> if_op
     end
   end