diff -r 2c703211e788 PCbuild/readme.txt
--- a/PCbuild/readme.txt	Sat Aug 23 19:29:58 2014 -0400
+++ b/PCbuild/readme.txt	Sun Aug 24 13:50:24 2014 +1200
@@ -88,6 +88,10 @@
    -r                  Rebuild instead of just building
    -e                  Use get_externals.bat to fetch external sources
 
+Please note that normal msbuild switches can also be passed. For example,
+build.bat -e -d /m
+will fetch the external sources and perform a concurrent debug build.
+
 
 Legacy support
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