Improve documentation

modules/mol/alg/doc/lddt.rst

@@ -2,9 +2,9 @@
 lDDT
 ======
 
-------------
+-------------------------------------
 Where can I find the lDDT executable? 
-------------
+-------------------------------------
 
 The lDDT executable can be found at <YOUR-OST-STAGE-DIR>/bin/
 
@@ -179,4 +179,4 @@ For example:
     lddt -v 1 -f -p stereo_chemical_params.txt mdl1.pdb ref.pdb
 
 WARNING: Verbosity levels 1 and 2 can generate a large amount of output text, 
-especially with large structures and multiple models being evaluated. 
\ No newline at end of file
+especially with large structures and multiple models being evaluated. 

modules/seq/base/doc/seq.rst

@@ -98,7 +98,8 @@ The SequenceHandle
      
     Get residue index of character at given position. This method is the
     inverse of :meth:`GetPos`. If the sequence contains a gap at that position,
-    an :exc:`Error` is raised.
+    an :exc:`Error` is raised. Admires the
+    :ref:`sequence offset <sequence-offset>`.
     
     .. code-block:: python