Added notes about heads taging

INSTALL

@@ -20,5 +20,9 @@ To use the trained model, issue the following (for more details please consult R
 
 iobber kpwr.ini -d model-kpwr04/ my_xces_input.xml -i xces -O ccl_chunked_output.xml
 
+If there is need to recognise chunk syntactic heads model-kpwr04-H can be used:
+
+iobber kpwr.ini -d model-kpwr04+H/ my_xces_input.xml -i xces -O ccl_chunked_output.xml
+
 NOTE: the kpwr.ini configuration assumes that the input is morphosyntactically tagged.
 

README

@@ -38,10 +38,11 @@ The kpwr.ini config (and its trained model -- model-kpwr04) defines two layers:
 * layer2 with phrases based on pred-arg structure: chunk_np, chunk_adjp and
 chunk_vp.
 
+It is also possible to recognise chunks' syntactic heads using model-kpwr04-H
 
-NOTE: the current version of iobber does not recognise chunks' syntactic heads.
-Also, it is unable to recognise discontinuous chunks. Both types of information
-may be included in ccl format and this is likely to be supported in the future.
+NOTE: the current version of iobber is unable to recognise discontinuous chunks.
+Both types of information may be included in ccl format and this is likely to be
+supported in the future.
 
 
 If the input file contains annotations in channels other than those defined