diff --git a/README.rst b/README.rst
index 2684d41..a642b3b 100644
--- a/README.rst
+++ b/README.rst
@@ -11,6 +11,7 @@ Features
 --------
 
 * Different toolchains for cross compiling.
+* Most images also contain an emulator for the target system.
 * Commands in the container are run as the calling user, so that any created files have the expected ownership, (i.e. not root).
 * Make variables (`CC`, `LD` etc) are set to point to the appropriate tools in the container.
 * Recent `CMake <https://cmake.org>`_ and ninja are precompiled. Toolchain files configured for CMake.