Add missing backticks to defaults

Author: alamirault

reference/configuration/framework.rst

@@ -1117,7 +1117,7 @@ Use ``0`` to not limit the duration.
 max_duration
 ............
 
-**type**: ``float`` **default**: 0
+**type**: ``float`` **default**: ``0``
 
 The maximum execution time, in seconds, that the request and the response are
 allowed to take. A value lower than or equal to 0 means it is unlimited.

reference/constraints/Collection.rst

@@ -379,7 +379,7 @@ Options
 ``allowExtraFields``
 ~~~~~~~~~~~~~~~~~~~~
 
-**type**: ``boolean`` **default**: false
+**type**: ``boolean`` **default**: ``false``
 
 If this option is set to ``false`` and the underlying collection contains
 one or more elements that are not included in the `fields`_ option, a validation
@@ -388,7 +388,7 @@ error will be returned. If set to ``true``, extra fields are OK.
 ``allowMissingFields``
 ~~~~~~~~~~~~~~~~~~~~~~
 
-**type**: ``boolean`` **default**: false
+**type**: ``boolean`` **default**: ``false``
 
 If this option is set to ``false`` and one or more fields from the `fields`_
 option are not present in the underlying collection, a validation error

reference/constraints/Count.rst

@@ -115,7 +115,7 @@ Options
 ``divisibleBy``
 ~~~~~~~~~~~~~~~
 
-**type**: ``integer`` **default**: null
+**type**: ``integer`` **default**: ``null``
 
 .. versionadded:: 5.1
 

reference/constraints/Regex.rst

@@ -193,7 +193,7 @@ Options
 ``htmlPattern``
 ~~~~~~~~~~~~~~~
 
-**type**: ``string|boolean`` **default**: null
+**type**: ``string|boolean`` **default**: ``null``
 
 This option specifies the pattern to use in the HTML5 ``pattern`` attribute.
 You usually don't need to specify this option because by default, the constraint

reference/forms/types/options/help.rst.inc

@@ -1,7 +1,7 @@
 help
 ~~~~
 
-**type**: ``string`` or ``TranslatableMessage`` **default**: null
+**type**: ``string`` or ``TranslatableMessage`` **default**: ``null``
 
 Allows you to define a help message for the form field, which by default is
 rendered below the field::