diff --git a/README.md b/README.md
index fc6bb65..4ee1d6c 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
   # Chirpy Jekyll Theme
 
-  A minimal, responsive and feature-rich Jekyll theme for technical writing.
+  A minimal, responsive, and feature-rich Jekyll theme for technical writing.
 
   [![Gem Version](https://img.shields.io/gem/v/jekyll-theme-chirpy?color=brightgreen)][gem] 
   [![CI](https://github.com/cotes2020/jekyll-theme-chirpy/actions/workflows/ci.yml/badge.svg?branch=master&event=push)][ci] 
@@ -55,9 +55,9 @@ For details, see the "[Contributing Guidelines][contribute-guide]".
 
 ## Credits
 
-This project is mainly built with [Jekyll][jekyllrb] ecosystem,
+This project was built primarily with the [Jekyll][jekyllrb] ecosystem,
 [Bootstrap][bootstrap], [Font Awesome][icons], and some other [wonderful tools][lib].
-The avatar and favicon design come from [Clipart Max][image].
+The avatar and favicon design from [Clipart Max][image].
 
 Many thanks to the [contributors][contributors] who participated in the development
 and to the folks who reported bugs or shared ideas.
diff --git a/jekyll-theme-chirpy.gemspec b/jekyll-theme-chirpy.gemspec
index 0d783dd..0809ed4 100644
--- a/jekyll-theme-chirpy.gemspec
+++ b/jekyll-theme-chirpy.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |spec|
   spec.authors       = ["Cotes Chung"]
   spec.email         = ["cotes.chung@gmail.com"]
 
-  spec.summary       = "A minimal, responsive and feature-rich Jekyll theme for technical writing."
+  spec.summary       = "A minimal, responsive, and feature-rich Jekyll theme for technical writing."
   spec.homepage      = "https://github.com/cotes2020/jekyll-theme-chirpy"
   spec.license       = "MIT"
 
diff --git a/package.json b/package.json
index 9a8186d..26bc22f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "jekyll-theme-chirpy",
   "version": "6.2.3",
-  "description": "A minimal, responsive and feature-rich Jekyll theme for technical writing.",
+  "description": "A minimal, responsive, and feature-rich Jekyll theme for technical writing.",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/cotes2020/jekyll-theme-chirpy.git"