diff --git a/README.md b/README.md
index 515be99..d9fbf0d 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,11 @@ JSON to Env Var converter
 Usage: json2env.exe [OPTIONS]
 
 Options:
-  -i, --input <FILE>        Input file, defaults to STDIN if not specified
-  -o, --output <FILE>       Output file, defaults to STDOUT if not specified
-  -s, --separator <STRING>  Separator for nested keys
-  -h, --help                Print help
-  -V, --version             Print version
+  -i, --input <FILE>              Input file, defaults to STDIN if not specified
+  -o, --output <FILE>             Output file, defaults to STDOUT if not specified
+  -s, --key-separator <STRING>    Separator for nested keys [default: __]
+  -S, --array-separator <STRING>  Separator for array elements [default: ,]
+  -e, --enumerate-array           Separate array elements in multiple environment variables
+  -h, --help                      Print help
+  -V, --version                   Print version
 ```