Pop-up messages for development gems can be changed in the locale directory (YourRailsApp / config / locales / devise.en.yml).
Just change devise.en.ymlto your liking, in fact he does not have any programming knowledge.
If you are new to rails, the locales directory is for I18n translations, which is a rail for translating words, although statically, but it works well for simple projects.
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