Added note that we're retaining source encoding hints in distutils scripts

src/zc/buildout/easy_install.txt

@@ -938,8 +938,9 @@ It also works for zipped eggs:
 
 Distutils copies the script files verbatim, apart from a line at the top that
 looks like ``#!/usr/bin/python``, which gets replaced by the actual python
-interpreter.  Buildout does the same, but additionally also adds the sys.path
-like for the console_scripts:
+interpreter. The second line can contain a source encoding hint, which is
+retained. Buildout does the same, but additionally also adds the sys.path like
+for the console_scripts:
 
     >>> cat(distbin, 'distutilsscript')
     #!/usr/local/bin/python2.7