Fix some return values

wrappers/python/filterPythonFiles.py

@@ -71,7 +71,7 @@ while True:
         for name, type, descr in docstring['Returns']:
             if type == '':
                 type = name
-            print('{prefix}## @return ({type}) {descr}'.format(prefix=prefix, type=type, name=name, descr=''.join(descr)))
+            print('{prefix}## @return ({type}) {descr}'.format(prefix=prefix, type=type, name=name, descr=' '.join(descr)))
 
         print(declaration, end='')
         if len(docstringlines) == 0:

wrappers/python/simtk/openmm/app/charmmpsffile.py

@@ -423,7 +423,7 @@ class CharmmPsfFile(object):
             If one pointer is set, pointers is simply the integer that is
             value of that pointer. Otherwise it is a tuple with every pointer
             value defined in the first line
-        data : list
+        list
             A list of all data in the parsed section converted to `dtype'
         """
         conv = CharmmPsfFile._convert

wrappers/python/simtk/openmm/app/modeller.py

@@ -655,7 +655,7 @@ class Modeller(object):
         -------
         list
              a list of what variant was actually selected for each residue,
-             in the same format as the variants param
+             in the same format as the variants parameter
         """
         # Check the list of variants.