diff --git a/harmonize_wq/domains.py b/harmonize_wq/domains.py
index 647d0ad..752beee 100644
--- a/harmonize_wq/domains.py
+++ b/harmonize_wq/domains.py
@@ -152,18 +152,20 @@ def get_domain_dict(table, cols=None):
 
     >>> from harmonize_wq import domains
     >>> domains.get_domain_dict('ResultSampleFraction').keys() # doctest: +NORMALIZE_WHITESPACE
-    dict_keys(['Acid Soluble', 'Bed Sediment', 'Bedload', 'Bioavailable', 'Comb Available',
-               'Dissolved', 'Extractable', 'Extractable, CaCO3-bound', 'Extractable, exchangeable',
-               'Extractable, organic-bnd', 'Extractable, other', 'Extractable, oxide-bound',
-               'Extractable, residual', 'Field***', 'Filter/sieve residue', 'Filterable',
+    dict_keys(['Acid Soluble', 'Bed Sediment', 'Bedload', 'Bioavailable',
+               'Comb Available', 'Dissolved', 'Extractable',
+               'Extractable,CaCO3-bound', 'Extractable, exchangeable',
+               'Extractable, organic-bnd', 'Extractable, other',
+               'Extractable, oxide-bound', 'Extractable, residual', 'Field***',
+               'Filter/sieve residue', 'Filterable',
                'Filtered field and/or lab', 'Filtered, field', 'Filtered, lab',
                'Fixed', 'Free Available', 'Inorganic', 'Leachable', 'Net (Hot)',
                'Non-Filterable (Particle)', 'Non-settleable', 'Non-volatile',
-               'None', 'Organic', 'Pot. Dissolved', 'Semivolatile', 'Settleable',
-               'Sieved', 'Strong Acid Diss', 'Supernate', 'Suspended', 'Total',
-               'Total Recoverable', 'Total Residual', 'Total Soluble',
-               'Unfiltered', 'Unfiltered, field', 'Vapor', 'Volatile',
-               'Weak Acid Diss', 'Yield', 'non-linear function'])
+               'None', 'Organic', 'Pot. Dissolved', 'Semivolatile',
+               'Settleable', 'Sieved', 'Strong Acid Diss', 'Supernate',
+               'Suspended', 'Total', 'Total Recoverable', 'Total Residual',
+               'Total Soluble', 'Unfiltered', 'Unfiltered, field', 'Vapor',
+               'Volatile', 'Weak Acid Diss', 'Yield', 'non-linear function'])
 
     """
     if cols is None: