diff options
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/active_record_validations.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/active_record_validations.md b/guides/source/active_record_validations.md index 546c0608ee..7628b8278d 100644 --- a/guides/source/active_record_validations.md +++ b/guides/source/active_record_validations.md @@ -487,6 +487,8 @@ constraints to acceptable values: * `:even` - Specifies the value must be an even number if set to true. The default error message for this option is _"must be even"_. +NOTE: By default, `numericality` doesn't allow `nil` values. You can use `allow_nil: true` option to permit it. + The default error message is _"is not a number"_. ### `presence` |