diff --git a/trytond/ir/action.py b/trytond/ir/action.py
index 48e1fcdc98..a6d6ec3275 100644
--- a/trytond/ir/action.py
+++ b/trytond/ir/action.py
@@ -518,7 +518,7 @@ class ActionReport(ActionMixin, ModelSQL, ModelView):
             ('xpm', 'X PixMap'),
             ], translate=False,
         string='Extension', help='Leave empty for the same as template, '
-        'see LibreOffice documentation for compatible format')
+        'see LibreOffice documentation for compatible format.')
     module = fields.Char('Module', readonly=True, select=True)
     email = fields.Char('Email',
         help='Python dictonary where keys define "to" "cc" "subject"\n'
@@ -698,18 +698,18 @@ class ActionActWindow(ActionMixin, ModelSQL, ModelView):
     context_model = fields.Char('Context Model')
     context_domain = fields.Char(
         "Context Domain",
-        help="Part of the domain that will be evaluated on each refresh")
+        help="Part of the domain that will be evaluated on each refresh.")
     act_window_views = fields.One2Many('ir.action.act_window.view',
             'act_window', 'Views')
     views = fields.Function(fields.Binary('Views'), 'get_views')
     act_window_domains = fields.One2Many('ir.action.act_window.domain',
         'act_window', 'Domains')
     domains = fields.Function(fields.Binary('Domains'), 'get_domains')
-    limit = fields.Integer('Limit', help='Default limit for the list view')
+    limit = fields.Integer('Limit', help='Default limit for the list view.')
     action = fields.Many2One('ir.action', 'Action', required=True,
             ondelete='CASCADE')
     search_value = fields.Char('Search Criteria',
-            help='Default search criteria for the list view')
+            help='Default search criteria for the list view.')
     pyson_domain = fields.Function(fields.Char('PySON Domain'), 'get_pyson')
     pyson_context = fields.Function(fields.Char('PySON Context'),
             'get_pyson')
@@ -1015,7 +1015,7 @@ class ActionWizard(ActionMixin, ModelSQL, ModelView):
             ondelete='CASCADE')
     model = fields.Char('Model')
     email = fields.Char('Email')
-    window = fields.Boolean('Window', help='Run wizard in a new window')
+    window = fields.Boolean('Window', help='Run wizard in a new window.')
 
     @staticmethod
     def default_type():
diff --git a/trytond/ir/model.py b/trytond/ir/model.py
index 167bac1bcc..277712eab2 100644
--- a/trytond/ir/model.py
+++ b/trytond/ir/model.py
@@ -59,7 +59,7 @@ class Model(ModelSQL, ModelView):
             },
         depends=['module'])
     module = fields.Char('Module',
-       help="Module in which this model is defined", readonly=True)
+       help="Module in which this model is defined.", readonly=True)
     global_search_p = fields.Boolean('Global Search')
     fields = fields.One2Many('ir.model.field', 'model', 'Fields',
        required=True)
@@ -234,7 +234,7 @@ class ModelField(ModelSQL, ModelView):
             },
         depends=['module'])
     module = fields.Char('Module',
-       help="Module in which this field is defined")
+       help="Module in which this field is defined.")
     _get_name_cache = Cache('ir.model.field.get_name')
 
     @classmethod
@@ -793,7 +793,7 @@ class ModelButton(ModelSQL, ModelView):
             ('id', '!=', Eval('id', -1)),
             ],
         depends=['model', 'id'],
-        help="Button that should reset the rules")
+        help="Button that should reset the rules.")
     reset = fields.Many2Many(
         'ir.model.button-button.reset', 'button', 'button_ruled', "Reset",
         domain=[
diff --git a/trytond/ir/rule.py b/trytond/ir/rule.py
index 91c7df35bc..5bbe44bf4e 100644
--- a/trytond/ir/rule.py
+++ b/trytond/ir/rule.py
@@ -28,11 +28,11 @@ class RuleGroup(ModelSQL, ModelView):
     model = fields.Many2One('ir.model', 'Model', select=True,
         required=True, ondelete='CASCADE')
     global_p = fields.Boolean('Global', select=True,
-        help="Make the rule global \nso every users must follow this rule")
+        help="Make the rule global \nso every users must follow this rule.")
     default_p = fields.Boolean('Default', select=True,
-        help="Add this rule to all users by default")
+        help="Add this rule to all users by default.")
     rules = fields.One2Many('ir.rule', 'rule_group', 'Tests',
-        help="The rule is satisfied if at least one test is True")
+        help="The rule is satisfied if at least one test is True.")
     groups = fields.Many2Many('ir.rule.group-res.group',
         'rule_group', 'group', 'Groups')
     perm_read = fields.Boolean('Read Access')
diff --git a/trytond/ir/ui/view.py b/trytond/ir/ui/view.py
index 482252c12b..042186d3c0 100644
--- a/trytond/ir/ui/view.py
+++ b/trytond/ir/ui/view.py
@@ -380,7 +380,7 @@ class ViewSearch(ModelSQL, ModelView):
 
     name = fields.Char('Name', required=True)
     model = fields.Char('Model', required=True)
-    domain = fields.Char('Domain', help="The PYSON domain")
+    domain = fields.Char('Domain', help="The PYSON domain.")
     user = fields.Many2One('res.user', 'User', required=True,
         ondelete='CASCADE')
 
diff --git a/trytond/ir/view/rule_group_form.xml b/trytond/ir/view/rule_group_form.xml
index fa14279887..7162215af9 100644
--- a/trytond/ir/view/rule_group_form.xml
+++ b/trytond/ir/view/rule_group_form.xml
@@ -21,8 +21,8 @@ this repository contains the full copyright notices and license terms. -->
     <label name="name"/>
     <field name="name" colspan="5"/>
     <field name="rules" colspan="6"/>
-    <label string="The rule is satisfied if at least one test is True"
+    <label string="The rule is satisfied if at least one test is True."
         colspan="6" xalign="0.0" id="satisfied"/>
-    <label string="If there is no test defined, the rule is always satisfied if not global"
+    <label string="If there is no test defined, the rule is always satisfied if not global."
         colspan="6" xalign="0.0" id="no_test"/>
 </form>
diff --git a/trytond/res/ir.py b/trytond/res/ir.py
index 13a7ef8ac0..02c6adcd63 100644
--- a/trytond/res/ir.py
+++ b/trytond/res/ir.py
@@ -145,7 +145,7 @@ class SequenceType(metaclass=PoolMeta):
     __name__ = 'ir.sequence.type'
     groups = fields.Many2Many('ir.sequence.type-res.group', 'sequence_type',
             'group', 'User Groups',
-            help='Groups allowed to edit the sequences of this type')
+            help='Groups allowed to edit the sequences of this type.')
 
 
 class SequenceTypeGroup(ModelSQL):
diff --git a/trytond/res/user.py b/trytond/res/user.py
index c481464d6b..eb7c503668 100644
--- a/trytond/res/user.py
+++ b/trytond/res/user.py
@@ -133,7 +133,7 @@ class User(DeactivableMixin, ModelSQL, ModelView):
         domain=[('usage', '=', 'menu')], required=True)
     pyson_menu = fields.Function(fields.Char('PySON Menu'), 'get_pyson_menu')
     actions = fields.Many2Many('res.user-ir.action', 'user', 'action',
-        'Actions', help='Actions that will be run at login')
+        'Actions', help='Actions that will be run at login.')
     groups = fields.Many2Many('res.user-res.group',
        'user', 'group', 'Groups')
     applications = fields.One2Many(
diff --git a/trytond/res/view/user_config_start_form.xml b/trytond/res/view/user_config_start_form.xml
index dbd58b9c3f..6352c943d9 100644
--- a/trytond/res/view/user_config_start_form.xml
+++ b/trytond/res/view/user_config_start_form.xml
@@ -7,7 +7,7 @@ this repository contains the full copyright notices and license terms. -->
         <label string="You can now add some users into the system."
             id="add"
             yalign="0.0" xalign="0.0" xexpand="1"/>
-        <label string="Be careful that the login must be unique!"
+        <label string="Be careful that the login must be unique."
             id="carefull"
             yalign="0.0" xalign="0.0" xexpand="1"/>
     </group>