diff --git a/doc/windows-build.txt b/doc/windows-build.txt
index 1a0806be..fb3b56be 100644
--- a/doc/windows-build.txt
+++ b/doc/windows-build.txt
@@ -50,6 +50,12 @@ everything is installed.
 (Start Icon/keyboard key ==> All Programs ==> MinGW ==> MinGW Shell).
 This will create your user directory for you.
 
+**************************************************************************************
+* Install pthreads                                                                   *
+**************************************************************************************
+Type the lines below to install pthreads:
+mingw-get install pthreads
+
 **************************************************************************************
 * Install libpdcurses                                                                *
 **************************************************************************************