diff --git a/README.rst b/README.rst
index caac59a..d719a60 100644
--- a/README.rst
+++ b/README.rst
@@ -21,6 +21,7 @@ Currently supported finders are:
  - Ruby Gems
  - Rust Crates
  - PHP PECL packages
+ - PHP Composer packages
 
 If you want to download Alpine packages, you must have `git` installed.
 
diff --git a/soufi/cli.py b/soufi/cli.py
index 88a732a..4daa7cf 100644
--- a/soufi/cli.py
+++ b/soufi/cli.py
@@ -317,8 +317,9 @@ def main(
     archive is used instead.
 
     The sources currently supported are 'debian', 'ubuntu', 'rhel', 'centos',
-    'alpine', 'photon', 'java', 'go', 'python', 'create', 'phppecl', and 'npm',
-    one of which must be specified as the DISTRO argument.
+    'alpine', 'photon', 'java', 'go', 'python', 'create', 'phppecl',
+    'phpcomposer', and 'npm', one of which must be specified as the DISTRO
+    argument.
     """
     try:
         func = functools.partial(