diff --git a/docs/Web开发/CS142.en.md b/docs/Web开发/CS142.en.md
index c4c45428..3a6d32c6 100644
--- a/docs/Web开发/CS142.en.md
+++ b/docs/Web开发/CS142.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: Stanford
 - Prerequisites: CS107 and CS108
-- Programming Lanuages: JavaScript/HTML/CSS
+- Programming Languages: JavaScript/HTML/CSS
 - Difficulty: 🌟🌟🌟🌟
 - Class Hour: 100 hours
 
diff --git a/docs/数学基础/information.en.md b/docs/数学基础/information.en.md
index 146549bb..92c74fbf 100644
--- a/docs/数学基础/information.en.md
+++ b/docs/数学基础/information.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: MIT
 - Prerequisites: None
-- Programming Lanuages: None
+- Programming Languages: None
 - Difficulty: 🌟🌟🌟
 - Class Hour: 100 hours
 
diff --git a/docs/数学进阶/6.042J.en.md b/docs/数学进阶/6.042J.en.md
index 5b16c493..e1251386 100644
--- a/docs/数学进阶/6.042J.en.md
+++ b/docs/数学进阶/6.042J.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: MIT
 - Prerequisites: Calculus, Linear Algebra
-- Programming Lanuages: Python preferred
+- Programming Languages: Python preferred
 - Difficulty: 🌟🌟🌟
 - Class Hour: 50-70 hours
 
diff --git a/docs/电子基础/EE16.en.md b/docs/电子基础/EE16.en.md
index 42d6f6eb..1b1a8725 100644
--- a/docs/电子基础/EE16.en.md
+++ b/docs/电子基础/EE16.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: UC Berkeley
 - Prerequisites: None
-- Programming Lanuages: Python
+- Programming Languages: Python
 - Difficulty: 🌟🌟🌟
 - Class Hour: 150 hours
 
diff --git a/docs/编程入门/CS50.en.md b/docs/编程入门/CS50.en.md
index 0d566285..def1cbb5 100644
--- a/docs/编程入门/CS50.en.md
+++ b/docs/编程入门/CS50.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: Harvard
 - Prerequisites: None
-- Programming Lanuages: C, Python, SQL, HTML, CSS, JavaScript
+- Programming Languages: C, Python, SQL, HTML, CSS, JavaScript
 - Difficulty: 🌟🌟
 - Class Hour: 20 hours
 
diff --git a/docs/计算机网络/topdown.en.md b/docs/计算机网络/topdown.en.md
index 64344b0a..b530c03c 100644
--- a/docs/计算机网络/topdown.en.md
+++ b/docs/计算机网络/topdown.en.md
@@ -4,7 +4,7 @@
 
 - Offered by: UMass
 - Prerequisites: basic knowledge about computer system
-- Programming Lanuages: None
+- Programming Languages: None
 - Difficulty: 🌟🌟🌟
 - Class Hour: 40 hours
 
diff --git a/template.en.md b/template.en.md
index 49594bd8..e7519e67 100644
--- a/template.en.md
+++ b/template.en.md
@@ -4,7 +4,7 @@
 
 - Offered by:
 - Prerequisites:
-- Programming Lanuages:
+- Programming Languages:
 - Difficulty: 🌟🌟🌟
 - Class Hour: