diff --git a/apka_StolowkaZPM/rxtx-2.1-7-bins-r2/Mac_OS_X/README b/apka_StolowkaZPM/rxtx-2.1-7-bins-r2/Mac_OS_X/README
new file mode 100644
index 0000000..8803841
--- /dev/null
+++ b/apka_StolowkaZPM/rxtx-2.1-7-bins-r2/Mac_OS_X/README
@@ -0,0 +1,4 @@
+Wed Mar  1 12:05:10 MST 2006
+We forgot to update the Mac OS X binary.  Previously, it was an old version
+(RXTX-2.1-7pre20).  This has now been corrected.
+