diff --git a/README.markdown b/README.markdown
index 0fe8ae6..f12f6ed 100644
--- a/README.markdown
+++ b/README.markdown
@@ -46,7 +46,7 @@ Replace Negative Numbers
     var fixed = Traverse([
         5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 }
     ]).modify(function (x) {
-        if (x < 0) this.update(x + 127);
+        if (x < 0) this.update(x + 128);
     }).get()
     sys.puts(sys.inspect(fixed));
     
diff --git a/examples/negative.js b/examples/negative.js
index b4a36be..a149a89 100755
--- a/examples/negative.js
+++ b/examples/negative.js
@@ -5,6 +5,6 @@ var Traverse = require('traverse').Traverse;
 var fixed = Traverse([
     5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 }
 ]).modify(function (x) {
-    if (x < 0) this.update(x + 127);
+    if (x < 0) this.update(x + 128);
 }).get()
 sys.puts(sys.inspect(fixed));