message: Clarify document changes
diff: @@ -948,7 +948,9 @@ export interface DidChangeTextDocumentParams {
  textDocument: VersionedTextDocumentIdentifier;
  /**
  - * The actual content changes.
  + * The actual content changes. The content changes descibe single state changes
  + * to the document. So if there are two content changes c1 and c2 for a document
  + * in state S10 then c1 move the document to S11 and c2 to S12.
  */
  contentChanges: TextDocumentContentChangeEvent[];
  }
  