diff --git a/README.md b/README.md
index 716e60ac..466fe001 100644
--- a/README.md
+++ b/README.md
@@ -327,6 +327,33 @@ wp plugin install <plugin|zip|url>... [--version=<version>] [--force] [--ignore-
 
 
 
+### wp plugin is-active
+
+Checks if a given plugin is active.
+
+~~~
+wp plugin is-active <plugin> [--network]
+~~~
+
+Returns exit code 0 when active, 1 when not active.
+
+**OPTIONS**
+
+	<plugin>
+		The plugin to check.
+
+	[--network]
+		If set, check if plugin is network-activated.
+
+**EXAMPLES**
+
+    # Check whether plugin is Active; exit status 0 if active, otherwise 1
+    $ wp plugin is-active hello
+    $ echo $?
+    1
+
+
+
 ### wp plugin is-installed
 
 Checks if a given plugin is installed.
@@ -1046,6 +1073,30 @@ wp theme install <theme|zip|url>... [--version=<version>] [--force] [--ignore-re
 
 
 
+### wp theme is-active
+
+Checks if a given theme is active.
+
+~~~
+wp theme is-active <theme>
+~~~
+
+Returns exit code 0 when active, 1 when not active.
+
+**OPTIONS**
+
+	<theme>
+		The theme to check.
+
+**EXAMPLES**
+
+    # Check whether theme is Active; exit status 0 if active, otherwise 1
+    $ wp theme is-active twentyfifteen
+    $ echo $?
+    1
+
+
+
 ### wp theme is-installed
 
 Checks if a given theme is installed.
diff --git a/composer.json b/composer.json
index 4827a65c..422675bc 100644
--- a/composer.json
+++ b/composer.json
@@ -49,6 +49,7 @@
             "plugin delete",
             "plugin get",
             "plugin install",
+            "plugin is-active",
             "plugin is-installed",
             "plugin list",
             "plugin path",
@@ -64,6 +65,7 @@
             "theme enable",
             "theme get",
             "theme install",
+            "theme is-active",
             "theme is-installed",
             "theme list",
             "theme mod",
diff --git a/src/Theme_Command.php b/src/Theme_Command.php
index 5ae8459f..efd7cfea 100644
--- a/src/Theme_Command.php
+++ b/src/Theme_Command.php
@@ -775,7 +775,7 @@ public function is_installed( $args, $assoc_args ) {
 	 * ## OPTIONS
 	 *
 	 * <theme>
-	 * : The plugin to check.
+	 * : The theme to check.
 	 *
 	 * ## EXAMPLES
 	 *