Update README.md

Fix typo in the environment variable usage documentation.
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Adriano 2018-03-20 11:58:48 -04:00 committed by GitHub
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@ -191,7 +191,7 @@ _When working with ENV variables, its important to recognize that Viper
treats ENV variables as case sensitive._ treats ENV variables as case sensitive._
Viper provides a mechanism to try to ensure that ENV variables are unique. By Viper provides a mechanism to try to ensure that ENV variables are unique. By
using `SetEnvPrefix`, you can tell Viper to use add a prefix while reading from using `SetEnvPrefix`, you can tell Viper to use a prefix while reading from
the environment variables. Both `BindEnv` and `AutomaticEnv` will use this the environment variables. Both `BindEnv` and `AutomaticEnv` will use this
prefix. prefix.