diff --git a/krabs/Readme.txt b/krabs/Readme.txt
index 3e8513c..f9e40b9 100644
--- a/krabs/Readme.txt
+++ b/krabs/Readme.txt
@@ -4,6 +4,10 @@ Krabs Readme.txt
 
 Important Preprocessor Definitions:
 
+* UNICODE - krabsetw expects the UNICODE preproessor definition to be defined. The code will
+not successfully compile without this flag. There is no plan to support non-UNICODE defined
+compilation.
+
 
 
 * NDEBUG - Set this varible in release builds to disable runtime type assertions.
@@ -20,4 +24,4 @@ This means that if an explicit type check is not defined for a requested type, a
 
 is thrown and the code will not compile until one is added. This is mainly used for krabs
 
-development to ensure that we don't miss asserts for types that are supported.
\ No newline at end of file
+development to ensure that we don't miss asserts for types that are supported.