diff --git a/README.md b/README.md
index f30d5478..49101535 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,44 @@ wp config has <name> [--type=<type>] [--config-file=<path>]
 
 
 
+### wp config is-true
+
+Determines whether value of a specific defined constant or variable is truthy.
+
+~~~
+wp config is-true <name> [--type=<type>] [--config-file=<path>]
+~~~
+
+This determination is made by evaluating the retrieved value via boolval().
+
+**OPTIONS**
+
+	<name>
+		Name of the wp-config.php constant or variable.
+
+	[--type=<type>]
+		Type of config value to retrieve. Defaults to 'all'.
+		---
+		default: all
+		options:
+		  - constant
+		  - variable
+		  - all
+		---
+
+	[--config-file=<path>]
+		Specify the file path to the config file to be read. Defaults to the root of the
+		WordPress installation and the filename "wp-config.php".
+
+**EXAMPLES**
+
+    # Assert if MULTISITE is true
+    $ wp config is-true MULTISITE
+    $ echo $?
+    0
+
+
+
 ### wp config list
 
 Lists variables, constants, and file includes defined in wp-config.php file.
diff --git a/composer.json b/composer.json
index 8e076a24..c6de1d69 100644
--- a/composer.json
+++ b/composer.json
@@ -44,6 +44,7 @@
             "config create",
             "config get",
             "config has",
+            "config is-true",
             "config list",
             "config path",
             "config set",
diff --git a/src/Config_Command.php b/src/Config_Command.php
index aff4f5ea..0c166646 100644
--- a/src/Config_Command.php
+++ b/src/Config_Command.php
@@ -426,7 +426,8 @@ public function get( $args, $assoc_args ) {
 	}
 
 	/**
-	 * Determines whether value of a specific constant or variable defined is truthy.
+	 * Determines whether value of a specific defined constant or variable is truthy.
+	 *
 	 * This determination is made by evaluating the retrieved value via boolval().
 	 *
 	 * ## OPTIONS
@@ -452,7 +453,7 @@ public function get( $args, $assoc_args ) {
 	 *
 	 *     # Assert if MULTISITE is true
 	 *     $ wp config is-true MULTISITE
-	 *     echo $?
+	 *     $ echo $?
 	 *     0
 	 *
 	 * @subcommand is-true