diff --git a/doc/building on MS Windows.txt b/doc/building on MS Windows.txt
index 15e837d30..9c90c114f 100644
--- a/doc/building on MS Windows.txt	
+++ b/doc/building on MS Windows.txt	
@@ -185,7 +185,7 @@ was  the pa_stable_v190600_20161030.tgz  file.  Unzip  and unpack  the
 tarball in a suitable location like ~/src :
 
     cd ~/src
-    tar xf ~/Downloads/pa_stable_v190700_20210406.tgz
+    tar xf ~/Downloads/pa_stable_v190600_20161030.tgz
 
 
 Note that on Windows portaudio  will only build static libraries using