Added info about images directory.

nmcl · nmcl · commit 979a9b78cb2b · 2015-12-13T14:42:29.000Z
diff --git a/docs/README.md b/docs/README.md
@@ -1,3 +1,5 @@
 javasim-0.3.pdf - the original (last) JavaSim manual. Out of date with respect to the current codebase but included here (for now) for historical purposes.
 
 manual.adoc - the current user manual.
+
+The files in the images directory are used within the manual so do not move independently.
