diff --git a/docs/basics.rst b/docs/basics.rst
index 7c2b4ee..53a325e 100644
--- a/docs/basics.rst
+++ b/docs/basics.rst
@@ -222,45 +222,49 @@
 an additional extension header to be included). To pass other data structures
 as arguments and return values, refer to the section on binding :ref:`classes`.
 
-+------------------------+--------------------------+-----------------------+
-|  Data type             |  Description             | Header file           |
-+========================+==========================+=======================+
-| int8_t, uint8_t        | 8-bit integers           | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| int16_t, uint16_t      | 16-bit integers          | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| int32_t, uint32_t      | 32-bit integers          | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| int64_t, uint64_t      | 64-bit integers          | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| ssize_t, size_t        | Platform-dependent size  | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| float, double          | Floating point types     | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| bool                   | Two-state Boolean type   | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| char                   | Character literal        | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| const char *           | UTF-8 string literal     | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| std::string            | STL dynamic UTF-8 string | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| std::pair<T1, T2>      | Pair of two custom types | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| std::tuple<....>       | Arbitrary tuple of types | pybind11/pybind11.h   |
-+------------------------+--------------------------+-----------------------+
-| std::complex<T>        | Complex numbers          | pybind11/complex.h    |
-+------------------------+--------------------------+-----------------------+
-| std::array<T, Size>    | STL static array         | pybind11/stl.h        |
-+------------------------+--------------------------+-----------------------+
-| std::vector<T>         | STL dynamic array        | pybind11/stl.h        |
-+------------------------+--------------------------+-----------------------+
-| std::map<T1, T2>       | STL ordered map          | pybind11/stl.h        |
-+------------------------+--------------------------+-----------------------+
-| std::set<T>            | STL ordered set          | pybind11/stl.h        |
-+------------------------+--------------------------+-----------------------+
-| std::function<...>     | STL polymorphic function | pybind11/functional.h |
-+------------------------+--------------------------+-----------------------+
++----------------------------+--------------------------+-----------------------+
+|  Data type                 |  Description             | Header file           |
++============================+==========================+=======================+
+| int8_t, uint8_t            | 8-bit integers           | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| int16_t, uint16_t          | 16-bit integers          | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| int32_t, uint32_t          | 32-bit integers          | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| int64_t, uint64_t          | 64-bit integers          | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| ssize_t, size_t            | Platform-dependent size  | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| float, double              | Floating point types     | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| bool                       | Two-state Boolean type   | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| char                       | Character literal        | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| const char *               | UTF-8 string literal     | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| std::string                | STL dynamic UTF-8 string | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| std::pair<T1, T2>          | Pair of two custom types | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| std::tuple<....>           | Arbitrary tuple of types | pybind11/pybind11.h   |
++----------------------------+--------------------------+-----------------------+
+| std::complex<T>            | Complex numbers          | pybind11/complex.h    |
++----------------------------+--------------------------+-----------------------+
+| std::array<T, Size>        | STL static array         | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::vector<T>             | STL dynamic array        | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::map<T1, T2>           | STL ordered map          | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::unordered_map<T1, T2> | STL unordered map        | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::set<T>                | STL ordered set          | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::unordered_set<T>      | STL unordered set        | pybind11/stl.h        |
++----------------------------+--------------------------+-----------------------+
+| std::function<...>         | STL polymorphic function | pybind11/functional.h |
++----------------------------+--------------------------+-----------------------+
 
 
 .. [#f1] In practice, implementation and binding code will generally be located