diff --git a/README.md b/README.md
index 24ffb20..62b002b 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ to work within an application, and can handle all types of configuration needs
 and formats. It supports:
 
 * setting defaults
-* reading from JSON, TOML, YAML, HCL, and Java properties config files
+* reading from JSON, TOML, YAML, HCL, envfile and Java properties config files
 * live watching and re-reading of config files (optional)
 * reading from environment variables
 * reading from remote config systems (etcd or Consul), and watching changes
@@ -46,7 +46,7 @@ Viper is here to help with that.
 
 Viper does the following for you:
 
-1. Find, load, and unmarshal a configuration file in JSON, TOML, YAML, HCL, or Java properties formats.
+1. Find, load, and unmarshal a configuration file in JSON, TOML, YAML, HCL, envfile or Java properties formats.
 2. Provide a mechanism to set default values for your different
    configuration options.
 3. Provide a mechanism to set override values for options specified through
@@ -87,7 +87,7 @@ viper.SetDefault("Taxonomies", map[string]string{"tag": "tags", "category": "cat
 ### Reading Config Files
 
 Viper requires minimal configuration so it knows where to look for config files.
-Viper supports JSON, TOML, YAML, HCL, and Java Properties files. Viper can search multiple paths, but
+Viper supports JSON, TOML, YAML, HCL, envfile and Java Properties files. Viper can search multiple paths, but
 currently a single Viper instance only supports a single configuration file.
 Viper does not default to any configuration search paths leaving defaults decision
 to an application.
@@ -372,7 +372,7 @@ package:
 
 `import _ "github.com/spf13/viper/remote"`
 
-Viper will read a config string (as JSON, TOML, YAML or HCL) retrieved from a path
+Viper will read a config string (as JSON, TOML, YAML, HCL or envfile) retrieved from a path
 in a Key/Value store such as etcd or Consul.  These values take precedence over
 default values, but are overridden by configuration values retrieved from disk,
 flags, or environment variables.
@@ -407,7 +407,7 @@ how to use Consul.
 #### etcd
 ```go
 viper.AddRemoteProvider("etcd", "http://127.0.0.1:4001","/config/hugo.json")
-viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop"
+viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv"
 err := viper.ReadRemoteConfig()
 ```
 
@@ -435,7 +435,7 @@ fmt.Println(viper.Get("hostname")) // myhostname.com
 
 ```go
 viper.AddSecureRemoteProvider("etcd","http://127.0.0.1:4001","/config/hugo.json","/etc/secrets/mykeyring.gpg")
-viper.SetConfigType("json") // because there is no file extension in a stream of bytes,  supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop"
+viper.SetConfigType("json") // because there is no file extension in a stream of bytes,  supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv"
 err := viper.ReadRemoteConfig()
 ```
 
@@ -446,7 +446,7 @@ err := viper.ReadRemoteConfig()
 var runtime_viper = viper.New()
 
 runtime_viper.AddRemoteProvider("etcd", "http://127.0.0.1:4001", "/config/hugo.yml")
-runtime_viper.SetConfigType("yaml") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop"
+runtime_viper.SetConfigType("yaml") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv"
 
 // read from remote config the first time.
 err := runtime_viper.ReadRemoteConfig()