diff --git a/README.md b/README.md
index aead5951..314eeee4 100755
--- a/README.md
+++ b/README.md
@@ -488,7 +488,7 @@ The output image will still be web-friendly sRGB and contain three (identical) c
 
 #### normalize() / normalise()
 
-Stretch histogram to cover full dynamic range before output to enhance contrast.
+Enhance output image contrast by stretching its luminance to cover the full dynamic range. This typically reduces performance by 30%.
 
 ### Output options
 
@@ -760,6 +760,10 @@ This module would never have been possible without the help and code contributio
 * [Brandon Aaron](https://github.com/brandonaaron)
 * [Andreas Lind](https://github.com/papandreou)
 * [Maurus Cuelenaere](https://github.com/mcuelenaere)
+* [Linus Unnebäck](https://github.com/LinusU)
+* [Victor Mateevitsi](https://github.com/mvictoras)
+* [Alaric Holloway](https://github.com/skedastik)
+* [Bernhard K. Weisshuhn](https://github.com/bkw)
 
 Thank you!
 
diff --git a/package.json b/package.json
index 3cf06845..73188b99 100755
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "devDependencies": {
     "mocha": "^2.1.0",
-    "mocha-jshint": "^1.0.0",
+    "mocha-jshint": "^2.1.1",
     "istanbul": "^0.3.6",
     "coveralls": "^2.11.2",
     "node-cpplint": "^0.4.0",
diff --git a/test/bench/perf.js b/test/bench/perf.js
index c80a162e..5dce9c6f 100755
--- a/test/bench/perf.js
+++ b/test/bench/perf.js
@@ -311,6 +311,18 @@ async.series({
           }
         });
       }
+    }).add('sharp-normalise', {
+      defer: true,
+      fn: function(deferred) {
+        sharp(inputJpgBuffer).resize(width, height).normalise().toBuffer(function(err, buffer) {
+          if (err) {
+            throw err;
+          } else {
+            assert.notStrictEqual(null, buffer);
+            deferred.resolve();
+          }
+        });
+      }
     }).add('sharp-greyscale', {
       defer: true,
       fn: function(deferred) {