Update pubspec.yaml

Author: rafamizes

pubspec.yaml

@@ -1,5 +1,5 @@
 name: json_cache
-description: An object-oriented package for caching user data locally in json; a combinable layer on top of local storage packages that unifies them with an elegant caching API.
+description: An object-oriented package for caching user data locally in json; a combinable layer on top of local storage packages that unifies them.
 version: 1.3.0
 homepage: https://dartoos.dev
 repository: https://github.com/dartoos-dev/json_cache