diff --git a/runtime/doc/os_win32.txt b/runtime/doc/os_win32.txt
index 6c36608..3767cb8 100644
--- a/runtime/doc/os_win32.txt
+++ b/runtime/doc/os_win32.txt
@@ -30,6 +30,7 @@
 Interrupting			|dos-CTRL-Break|
 Temp files			|dos-temp-files|
 Shell option default		|dos-shell|
+PowerShell defaults		|dos-powershell|
 
 Win32 GUI			|gui-w32|