diff --git a/README.md b/README.md
index 7700c088..85c55139 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
 - [CLI](https://github.com/QingWei-Li/docsify-cli)
 
 ## Features
-- Simple and lightweight (~12kb gzipped)
+- Simple and lightweight (~13kB gzipped)
 - Multiple themes
 - Not build static html files
 
diff --git a/docs/_coverpage.md b/docs/_coverpage.md
index 8088b43f..f97f329c 100644
--- a/docs/_coverpage.md
+++ b/docs/_coverpage.md
@@ -4,7 +4,7 @@
 
 > A magical documentation site generator.
 
-- Simple and lightweight (~12kb gzipped)
+- Simple and lightweight (~13kB gzipped)
 - Multiple themes
 - Not build static html files