Update README.md

README.md

@@ -5,6 +5,14 @@ it will call ```OnNewSentence``` on all extensions it finds sequentially,
 plugging the output of ```OnNewSentence``` from the previous extension into the next extension.<br>
 After the sentence has been processed by all extensions, it will be displayed.
 
+# MiscInfo
+
+## The following keys are in ```MiscInfo```
+```"current select"```: always 0 unless the sentence is in the text channel currently selected by the user.<br>
+```"text number"```: number uniquely identifying the text channel the sentence is in. Console text channel is always 0.<br>
+```"process id"```: process id that the sentence is coming from.<br>
+
 # Notes
 
-Please compile extensions for Release targeting x86 architecture!
+You just need Visual Studio with basic C++ support to compile this project.<br>
+Compile using Release configuration unless you built NextHooker from source yourself using a Debug configuration. Compile targeting x86 for NextHooker and x64 for NextHooker64.