update read me so it clearer which swcs are required
diff --git a/Squiggly/README b/Squiggly/README
index b2fa7b4..e9dc9f5 100644
--- a/Squiggly/README
+++ b/Squiggly/README
@@ -63,8 +63,10 @@
 Please read the ASDocs (found in docs directory) first to understand the
 classes in Squiggly.
 
-If you are using the SpellChecker class directly, you need.
-- SpellingEngine.swc in [YourProject]/libs folder, you can find it from ./libs
+For Apache FLex projects if you are using the SpellChecker class directly, you need:
+- ApacheFlexSpellingEngine.swc in [YourProject]/libs folder
+- ApacheFlexSpellingFramwork.swc in [YourProject]/libs folder
+- ApacheFlexLinguisticUtils.swc in [YourProject]/libs folder
 - Dictionary files in [YourProject]/src folder
 
 You can obtain en_US, en_CA and en_GB dictionaries under a BSD/MIT-like license
@@ -85,16 +87,18 @@
 If you are using the simple UI integration feature (SpellUI class), in addition
 to what mentioned above, you also need:
 - SpellingConfig.xml in [YourProject]/src
-- SpellingUI.swc in [YourProject]/src
-- SpellingUIEx.swc (if you need spark support in Flex 4) in [YourProject]/libs 
+- ApacheFlexSpellingUI.swc (if you need mx spoort) in [YourProject]/libs
+- ApacheFlexSpellingUIEx.swc (if you need spark support) in [YourProject]/libs 
+
+Note that you can only support spelling in mx or spark components not both at once.
 
 You can download dictionaries and use those by editing SpellingConfig.xml.
 
 The default name of the config file has changed from AdobeSpellingConfig.xml to
 SpellingConfig.xml.
 
-Here's the content of SpellingConfig.xml, each entry maps the languageCode with
-the relative path for resource files. 
+Here's the typical content of SpellingConfig.xml, each entry maps the languageCode
+with the relative path for resource files. 
 
 <SpellingConfig>
   <LanguageResource language="English" languageCode="en_US"