diff --git a/articles/lisp.md b/articles/lisp.md
index 1370ff3..3633e31 100644
--- a/articles/lisp.md
+++ b/articles/lisp.md
@@ -41,7 +41,7 @@ Here's cons cell:
     | O | O-|----> cdr
     +---+---+    
       |          
-     `'´         
+      v          
      car
 ```
 
@@ -61,7 +61,7 @@ And here's a list:
     | O | O-|---->| O | O-|---->| O | O-|---->| o | O-|----> NIL
     +-|-+---+     +---+---+     +---+---+     +---+---+    
  car  |        car  |        car  |        car  |          
-     `'´           `'´           `'´           `'´         
+      v             v             v             v          
       20            "Lisp"        (1 2)         39 
 ```