Add sticking coefficients to CTI API docs

doc/sphinx/cti/classes.rst

@@ -119,6 +119,9 @@ Reactions
 .. autoclass:: edge_reaction
    :no-undoc-members:
 
+.. autoclass:: stick
+   :no-undoc-members:
+
 Falloff Parameterizations
 -------------------------
 

interfaces/cython/cantera/cti2yaml.py

@@ -591,6 +591,10 @@ class Arrhenius:
 
 
 class stick(Arrhenius):
+    """
+    A rate expression for a surface reaction given as a sticking probability,
+    parameterized using a modified Arrhenius expression.
+    """
     def __init__(self, *args, **kwargs):
         """
         :param motz_wise:

interfaces/cython/cantera/ctml_writer.py

@@ -1082,6 +1082,10 @@ class Arrhenius(rate_expression):
                 addFloat(c, 'e', cov[3], fmt = '%f', defunits = _ue)
 
 class stick(Arrhenius):
+    """
+    A rate expression for a surface reaction given as a sticking probability,
+    parameterized using a modified Arrhenius expression.
+    """
     def __init__(self, *args, **kwargs):
         """
         :param motz_wise: 'True' if the Motz & Wise correction should be used,