diff --git a/README.md b/README.md
index 982a556..19ed85c 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Here is the place I keep and display my practices for SICP
 
 ## Environment
 Most of the practice done here is tested with drracket 
-* headers `#lang planet neil/sicp`,  
+* meta header `#lang planet neil/sicp`,  
 * some with `#lang racket` or `#lang sicp`,  
 * if without `#lang` line, I am setting the language to SICP in the left corner (it only shows up if you have ran `#lang planet neil/sicp` before).