diff --git a/chapters/03-funcoes.md b/chapters/03-funcoes.md
index 9f13ad1..f91a902 100644
--- a/chapters/03-funcoes.md
+++ b/chapters/03-funcoes.md
@@ -352,10 +352,10 @@ function findSolution(target) {
     else if (start > target)
       return null;
     else
-      return find(start + 5, “(“ + history + “ + 5)”) ||
-             find(start * 3, “(“ + history + “ * 3)”);
+      return find(start + 5, "(" + history + " + 5)") ||
+             find(start * 3, "(" + history + " * 3)");
   }
-  return find(1, “1”);
+  return find(1, "1");
 }
 
 console.log(findSolution(24));