diff --git a/README.md b/README.md
index bf82cce..a7e3e27 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,8 @@ Thankfully, this project is based on the code from  [rllab] and
 [tensorflow/models][models].
 
 Note that [d4rl][d4rl] and [dm_control][dm_control] have similar maze
-environment, and you can also check them.
-But if you want more customizable or minimal one, I recommend this.
+environments, and you can also check them.
+But, if you want more customizable or minimal one, I recommend this.
 
 ## Usage
 
diff --git a/setup.py b/setup.py
index 2b547ff..09b14ce 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,10 @@ setup(
     name=NAME,
     version=VERSION,
     url=URL,
-    project_urls={"Code": URL, "Issue tracker": URL + "/issues",},
+    project_urls={
+        "Code": URL,
+        "Issue tracker": URL + "/issues",
+    },
     author=AUTHOR,
     author_email=EMAIL,
     description=DESCRIPTION,