Added instruction to run unit tests manually.
diff --git a/README.txt b/README.txt
index 5651d37..c1b2c73 100644
--- a/README.txt
+++ b/README.txt
@@ -44,4 +44,10 @@
 
 To run the test manually:
 cd test
+# This will run the Reader/Writer tests
 python runjsontests.py "path to jsontest.exe"
+# This will run the unit tests (mostly Value)
+python rununittests.py "path to test_lib_json.exe"
+
+You can run the tests using valgrind using:
+python rununittests.py --valgrind "path to test_lib_json.exe"