diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1e48987..ad8fd96 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -49,7 +49,10 @@ jobs:
       matrix:
         # YAML parse `3.10` to `3.1`, so we have to add quotes for `'3.10'`, see also:
         # https://github.com/actions/setup-python/issues/160#issuecomment-724485470
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: [
+          '3.8', '3.9', '3.10', '3.11', '3.12',
+          'pypy3.9', 'pypy3.10',
+        ]
         os: [ubuntu-latest, macOS-latest, windows-latest]
     steps:
       - uses: actions/checkout@v3
@@ -80,6 +83,7 @@ jobs:
     timeout-minutes: 15
     needs:
       - pytest
+      - lint
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
diff --git a/README.md b/README.md
index 81893ec..57fc1f0 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 [![CI](https://github.com/zhongjiajie/stmdency/actions/workflows/ci.yaml/badge.svg)](https://github.com/zhongjiajie/stmdency/actions/workflows/ci.yaml)
 [![Documentation Status](https://readthedocs.org/projects/stmdency/badge/?version=latest)](https://stmdency.readthedocs.io/en/latest/?badge=latest)
 
-stmdency, **sta**tement depen**dency** is a Python library for extracting dependencies between statements in a Python program.
+Stmdency, **ST**ate**M**ent depen**DENCY** is a Python library for extracting dependencies between Python statements.
 
 ## Installation
 
diff --git a/setup.cfg b/setup.cfg
index 66f3127..41beeb7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,7 +2,7 @@
 name = stmdency
 version = attr: stmdency.__version__
 url = https://github.com/zhongjiajie/stmdency
-description = A library extracting dependencies between statements in Python program.
+description = A library extracting dependencies between Python statements.
 long_description = file: README.md
 long_description_content_type = text/markdown
 author = Jay Chung
@@ -23,8 +23,11 @@ classifiers =
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
     Programming Language :: Python :: Implementation :: CPython
+    Programming Language :: Python :: Implementation :: PyPy
     Environment :: Console
     Topic :: Software Development :: Libraries :: Python Modules
+    Topic :: Software Development :: User Interfaces
+    Topic :: Utilities
 project_urls =
     Source = https://github.com/zhongjiajie/stmdency
     Issue Tracker = https://github.com/zhongjiajie/stmdency/issues