Normalize whitespace characters

Author: josevalim

README.md

@@ -92,7 +92,7 @@ You need to add both Ecto and the database adapter as a dependency to your `mix.
 | MSSQL      | Ecto.Adapters.Tds        | [ecto_sql][ecto_sql] + [tds][tds]                |
 | SQLite3    | Ecto.Adapters.SQLite3    | [ecto_sqlite3][ecto_sqlite3]                     |
 | ClickHouse | Ecto.Adapters.ClickHouse | [ecto_ch][ecto_ch]                               |
-| ETS        | Etso                     | [etso][etso]                                     |
+| ETS        | Etso                     | [etso][etso]                                     |
 
 [ecto_sql]: https://github.com/elixir-ecto/ecto_sql
 [postgrex]: https://github.com/elixir-ecto/postgrex