diff --git a/simulator/simulator/readme.md b/simulator/simulator/readme.md
new file mode 100644
index 0000000000..4e2b498114
--- /dev/null
+++ b/simulator/simulator/readme.md
@@ -0,0 +1 @@
+Here we have rusEfi PC version. Same Makefile would build win32 or unux posix.