diff --git a/DOCS/v5/PCMOSv501UserGuide.pdf b/DOCS/v5/PCMOSv501UserGuide.pdf
new file mode 100644
index 0000000..29d9584
Binary files /dev/null and b/DOCS/v5/PCMOSv501UserGuide.pdf differ
diff --git a/IMAGES/v502/MOS502.img b/IMAGES/v502/MOS502.img
new file mode 100644
index 0000000..a9d6466
Binary files /dev/null and b/IMAGES/v502/MOS502.img differ
diff --git a/README.md b/README.md
index c9ff3f3..e25c569 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# This is the initial release of PC-MOS/386 v5.01; the latest released version. 
+# This is the home of PC-MOS/386; based off the last released commercial version (v5.01), development now continues under a GPLv3 license in the hope that it will be both an educational and useful project.
 
 This tree:
 
diff --git a/SOURCES/src/build.sh b/SOURCES/src/build.sh
index b95c3f9..91dd6cf 100755
--- a/SOURCES/src/build.sh
+++ b/SOURCES/src/build.sh
@@ -10,6 +10,3 @@ fi
 rm -f kernel/*.SYS
 rm -f mos5src/*.SYS
 dosemu -td -K ./MAKEMOS.BAT -U 2 'path=%D\bin;%O'
-# MOS does not understand files with recent dates so set the old one
-S_DATE="Jan 29 1993"
-touch -d "$S_DATE" mos5src/*.sys