diff --git a/README.md b/README.md
index 304b87d..14fadd1 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Where possible I will try and write development system programs that show how da
 
 documentation
 -------------
+Most of the sites I have used during the learning process:
 * [68000 instructions](http://68k.hax.com/)
 * [vasm documentation](http://sun.hasenbraten.de/vasm/release/vasm.html)
 * [vlink documentation (PDF)](http://sun.hasenbraten.de/vlink/release/vlink.pdf)