diff --git a/tinyxml2.h b/tinyxml2.h
index 35b61af..df9e049 100644
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -1372,9 +1372,11 @@
 	*/
 	const char* CStr() const { return buffer.Mem(); }
 	/**
-   		Return the size of the XML file in memory
+   		If in print to memory mode, return the size 
+		of the XML file in memory. (Note the size returned
+		includes the terminating null.)
   	*/
-  	const int SizeOfCStr()const{ return buffer.Size(); }
+  	const int CStrSize()const{ return buffer.Size(); }
 
 private:
 	void SealElement();
diff --git a/xmltest.cpp b/xmltest.cpp
index d73b90a..74b2f98 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -824,6 +824,7 @@
 
 		static const char* result  = "\xef\xbb\xbf<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
 		XMLTest( "BOM and default declaration", printer.CStr(), result, false );
+		XMLTest( "CStrSize", printer.CStrSize(), 42, false );
 	}