diff --git a/tests/tcg/README b/tests/tcg/README
index 706bb185b4..6d08ca50dc 100644
--- a/tests/tcg/README
+++ b/tests/tcg/README
@@ -1,9 +1,14 @@
-This directory contains various interesting guest programs for
-regression testing. Tests are either multi-arch, meaning they can be
-built for all guest architectures that support linux-user executable,
-or they are architecture specific.
+This directory contains various interesting guest binaries for
+regression testing the Tiny Code Generator doing system and user-mode
+emulation.
 
-CRIS
-====
-The testsuite for CRIS is in tests/tcg/cris.  You can run it
-with "make test-cris".
+The multiarch directory contains shared code for tests that can be
+built for all guest architectures. Architecture specific code can be
+found in their respective directories.
+
+System mode tests will be under the "system" subdirectories.
+
+GDB scripts for exercising the gdbstub on specific tests will be found
+under the "gdbstb" subdirectories.
+
+See the developer guide for more instructions on "make check-tcg"