Add asked changes

docs/models.rst

@@ -253,13 +253,13 @@ The intrinsic scattering of SNe Ia is color dependant it can be modelled for sim
 by G10 or C11 models. The implemention is based on Kessler et al. 2012.
 They both act as random variation in the spectra model of a `~sncosmo.SALT2Source` or `~sncosmo.SALT3Source`.
 
-The G10 model take a `SALTSource` as an argument and can be added to your `~sncosmo.Model` as:
+The G10 model relies on SALT2 residuals, thus it needs to take a `SALTSource` as an argument. It can be added to your `~sncosmo.Model` as:
 
 .. code:: python
 
     >>> source = 'salt2'
     >>> SALTSource = sncosmo.models.get_source(name=source)
-    >>> G10 = snc.models.G10(SALTsource=SALTSource)
+    >>> G10 = sncosmo.models.G10(SALTsource=SALTSource)
     >>> SALTwithG10 = sncosmo.Model(source='salt2',
                                     effects=[G10],
                                     effect_names=['G10'],
@@ -270,11 +270,11 @@ The G10 model parameters are:
 * ``L0``, ``F0`` and ``F1`` are used in the multiplicative factor introduced in Kessler et al. 2012. Their default values are ``L0=2157.3``, ``F0=0`` and ``F1=1.08e-4``.
 * ``dL`` the wavelength range between each scatter node. Following Kessler et al. 2012 it is set by default to 800A.
 
-The C11 model can be added to your `~sncosmo.Model` as:
+Since the C11 model does not relies on SALT2 residuals, it does not need a `SALTSource`. It can be added to your `~sncosmo.Model` as:
 
 .. code:: python
 
-    >>> C11 = snc.models.C11()
+    >>> C11 = sncosmo.models.C11()
     >>> SALTwithC11 = sncosmo.Model(source='salt2',
                                     effects=[C11],
                                     effect_names=['C11'],
@@ -414,4 +414,4 @@ parameters:
     >>> source = sncosmo.SALT2Source(modeldir='/path/to/dir',
     ...                              m0file='mytemplate0file.dat')
 
-See  for more details.
+See `~sncosmo.SALT2Source` for more details.