Add links to optional variables in docs
@@ -313,7 +313,8 @@ For example:-
Install the `dedupe-variable-address
<https://pypi.python.org/pypi/dedupe-variable-address>`__ package for
-``Address`` Type.
+``Address`` Type. For more info, see the `GitHub Repository
+<https://github.com/dedupeio/dedupe-variable-address>`__.
Name Type
^^^^^^^^^
@@ -334,7 +335,8 @@ For example:-
Install the `dedupe-variable-name
<https://pypi.python.org/pypi/dedupe-variable-name>`__ package for ``Name``
-Type.
+Type. For more info, see the `GitHub Repository
+<https://github.com/dedupeio/dedupe-variable-name>`__.
Fuzzy Category
^^^^^^^^^^^^^^
@@ -362,9 +364,16 @@ For example:-
Install the `dedupe-variable-fuzzycategory
<https://pypi.python.org/pypi/dedupe-variable-fuzzycategory>`__ package for
-the ``FuzzyCategorical`` Type.
+the ``FuzzyCategorical`` Type. For more info, see the `GitHub Repository
+<https://github.com/dedupeio/fuzzycategory>`__.
+Other Optional Variables
+^^^^^^^^^^^^^^^^^^^^^^^^
+
+In addition to the several optional variables above, you can find `more optional
+variables on GitHub <https://github.com/search?q=org%3Adedupeio+dedupe-variable>`__.
+
Missing Data
------------
If the value of field is missing, that missing value should be represented as
