diff --git a/l10n_us_hr_payroll/data/state/mn_minnesota.xml b/l10n_us_hr_payroll/data/state/mn_minnesota.xml
index 5a5a0241..d1044752 100644
--- a/l10n_us_hr_payroll/data/state/mn_minnesota.xml
+++ b/l10n_us_hr_payroll/data/state/mn_minnesota.xml
@@ -46,36 +46,38 @@
     <data noupdate="1">
         <record id="rule_parameter_us_mn_sit_tax_rate_2019" model="hr.rule.parameter.value">
             <field name="parameter_value">{
-                'single': [
+                'single': (
                     ( 28920,   2400, 5.35,     0.00),
                     ( 89510,  28920, 7.05,  1418.82),
                     (166290,  89510, 7.85,  5690.42),
                     ( 'inf', 166290, 9.85, 11717.65),
-                ],
-                'married': [
+                ),
+                'married': (
                     (  47820,   9050,  5.35,     0.00),
                     ( 163070,  47820,  7.05,   2074.20),
                     ( 282200, 163070,  7.85,  10199.33),
                     (  'inf', 282200,  9.85,  19551.04),
-                ],
+                ),
             }</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_mn_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
         </record>
+        <!-- https://www.revenue.state.mn.us/sites/default/files/2019-12/wh_inst_20_0.pdf -->
+        <!-- Chart for step 5 value -->
         <record id="rule_parameter_us_mn_sit_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
-                'single': [
+                'single': (
                     ( 30760,   3800, 5.35,     0.00),
                     ( 92350,  30760, 6.80,  1442.36),
                     (168200,  92350, 7.85,  5630.48),
                     ( 'inf', 168200, 9.85, 11584.71),
-                ],
-                'married': [
+                ),
+                'married': (
                     (  51310,  11900,  5.35,      0.00),
                     ( 168470,  51310,  6.80,   2108.44),
                     ( 285370, 168470,  7.85,  10075.32),
                     (  'inf', 285370,  9.85,  19251.97),
-                ],
+                ),
             }</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_mn_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
@@ -93,6 +95,8 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_mn_sit_allowances_rate"/>
             <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
         </record>
+        <!-- https://www.revenue.state.mn.us/sites/default/files/2019-12/wh_inst_20_0.pdf -->
+        <!-- Step 3. -->
         <record id="rule_parameter_us_mn_sit_allowances_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">4300.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_mn_sit_allowances_rate"/>