diff --git a/README.md b/README.md
index 490bafc83..a14936c96 100644
--- a/README.md
+++ b/README.md
@@ -42,11 +42,11 @@ The Chromium extension is still somewhat experimental but it can be installed tw
 ways:
 
 + [Unofficial Version](https://chrome.google.com/webstore/detail/pdf-viewer/oemmndcbldboiebfnladdacbdfmadadm) - *This extension is maintained by a PDF.js contributor.*
-+ Build Your Own - Get the code as explained below and issue `node make extension`. Then open
++ Build Your Own - Get the code as explained below and issue `node make chromium`. Then open
 Chrome, go to `Tools > Extension` and load the (unpackaged) extension from the
-directory `build/chrome`.
+directory `build/chromium`.
 
-The version of the extension for the Opera browser can be found at the [Opera add-ons](https://addons.opera.com/en/extensions/details/pdf-viewer/).
+The version of the extension for the Opera browser can be found at the [Opera add-ons catalog](https://addons.opera.com/en/extensions/details/pdf-viewer/).
 
 ## Getting the Code
 
diff --git a/make.js b/make.js
index f5a5adf62..23e81e8d6 100644
--- a/make.js
+++ b/make.js
@@ -353,7 +353,7 @@ target.extension = function() {
 
   target.locale();
   target.firefox();
-  target.chrome();
+  target.chromium();
 };
 
 target.buildnumber = function() {
@@ -635,10 +635,10 @@ target.b2g = function() {
 //
 // make chrome
 //
-target.chrome = function() {
+target.chromium = function() {
   cd(ROOT_DIR);
   echo();
-  echo('### Building Chrome extension');
+  echo('### Building Chromium extension');
   var defines = builder.merge(DEFINES, {CHROME: true});
 
   var CHROME_BUILD_DIR = BUILD_DIR + '/chromium/',