Improve the MS-Windows installer.
diff --git a/runtime/doc/os_win32.txt b/runtime/doc/os_win32.txt
index 8ea7dc1..a116819 100644
--- a/runtime/doc/os_win32.txt
+++ b/runtime/doc/os_win32.txt
@@ -37,7 +37,7 @@
 The original Windows NT port was done by Roger Knobbe <RogerK@wonderware.com>.
 The GUI version was made by George V. Reilly and Robert Webb.
 
-For compiling see "src/INSTALL.pc".			*win32-compiling*
+For compiling see "src/INSTALLpc.txt".			*win32-compiling*
 
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 1. Known problems				*windows95* *win32-problems*