diff --git a/docs/index.Rmd b/docs/index.Rmd
index 7a9f3ad..c0fb9e8 100644
--- a/docs/index.Rmd
+++ b/docs/index.Rmd
@@ -84,7 +84,7 @@ The class materials were designed by Lyndon Estes and Lei Song.
   - Assignment 3 due (Unit 1 Module 4)
 - Spring Break
 - Week 9 (Mar 11, 13) 
-  - [Class 13 slides](class14.html)  
+  - [Class 14 slides](class14.html)  
   - Working with vectors
 - Week 10 (Mar 18, 20)
   - More on vectors
diff --git a/docs/index.html b/docs/index.html
index abbc192..737c330 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -708,7 +708,7 @@ <h2 id="course-content">Course content</h2>
 <li>Spring Break</li>
 <li>Week 9 (Mar 11, 13)
 <ul>
-<li><a href="class14.html">Class 13 slides</a></li>
+<li><a href="class14.html">Class 14 slides</a></li>
 <li>Working with vectors</li>
 </ul></li>
 <li>Week 10 (Mar 18, 20)
diff --git a/docs/index.md b/docs/index.md
index d4a4e5c..1add01d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -78,7 +78,7 @@ The class materials were designed by Lyndon Estes and Lei Song.
   - Assignment 3 due (Unit 1 Module 4)
 - Spring Break
 - Week 9 (Mar 11, 13)
-  - [Class 13 slides](class14.html)  
+  - [Class 14 slides](class14.html)  
   - Working with vectors
 - Week 10 (Mar 18, 20)
   - More on vectors