diff --git a/Framework/Geometry/src/Instrument/InstrumentDefinitionParser.cpp b/Framework/Geometry/src/Instrument/InstrumentDefinitionParser.cpp
index 3b6e7530fd89c32bb8dce7750fcb7d63e03077a8..ac5c9b85a7961c4fbd22836f3e3d61ec89079693 100644
--- a/Framework/Geometry/src/Instrument/InstrumentDefinitionParser.cpp
+++ b/Framework/Geometry/src/Instrument/InstrumentDefinitionParser.cpp
@@ -292,9 +292,8 @@ InstrumentDefinitionParser::parseXML(Kernel::ProgressBase *progressReporter) {
  * to indicate the shape for this assembly should be created later.
  *
  * @param filename :: Name of the IDF, for exception message
- * @param typeElems ::
- * @param shapeCreator ::
- * @param numberOfTypes  :: Total number of type elements
+ * @param typeElems :: Vector of pointers to type elements
+ * @param shapeCreator :: Factory for creating a shape
  */
 void InstrumentDefinitionParser::collateTypeInformation(
     const std::string &filename, const std::vector<Element *> &typeElems,