class Interface_Graph;
class Interface_EntityIterator;
-//! Builds the Graph of Dependancies, from the General Service
+//! Builds the Graph of Dependencies, from the General Service
//! "Shared" -> builds for each Entity of a Model, the Shared and
//! Sharing Lists, and gives access to them.
//! Allows to complete with Implied References (which are not
//! regarded as Shared Entities, but are nevertheless Referenced),
-//! this can be usefull for Reference Checking
+//! this can be useful for Reference Checking
class Interface_ShareTool
{
public: