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Property specifications concisely describe what a software system is supposed to do. It is surprisingly difficult to write these properties correctly. There are rigorous mathematical formalisms for representing properties, but these are often difficult to use. No matter what notation is used, however, there are often subtle, but important, details that need to be considered. PROPEL aims to make the job of writing and understanding properties easier by providing templates that explicitly capture these details as options for commonly-occurring property patterns. These templates are represented using both "disciplined" natural language and finite-state automata, allowing the specifier to easily move between these two representations.