diff --git a/keyboard/ergodox_ez/keymaps/zweihander-osx/makefile.mk b/keyboard/ergodox_ez/keymaps/zweihander-osx/makefile.mk
new file mode 100644
index 000000000..6e3d088a4
--- /dev/null
+++ b/keyboard/ergodox_ez/keymaps/zweihander-osx/makefile.mk
@@ -0,0 +1,2 @@
+# Don’t do a tricolor wave when the computer is shut down in Windows
+SLEEP_LED_ENABLE = no
diff --git a/keyboard/ergodox_ez/keymaps/zweihander-osx/readme.markdown b/keyboard/ergodox_ez/keymaps/zweihander-osx/readme.markdown
index 7bce7c690..3b7f52941 100644
--- a/keyboard/ergodox_ez/keymaps/zweihander-osx/readme.markdown
+++ b/keyboard/ergodox_ez/keymaps/zweihander-osx/readme.markdown
@@ -42,4 +42,4 @@ I press C-a, C-e, and C-k all the time. It’s difficult to press these key comb
 
 ## use spreadsheets
 
-All the common spreadsheet operations (+-*/=) are now on the right side of the symbol layer.
+All the common spreadsheet operations (+-*/=) are now on the right side of the symbol layer. There’s also a colon there for entering times and maybe IPv6 addresses. Not that I expect people to type IPv6 addresses into a spreadsheet, but, y’know.