diff --git a/README.md b/README.md
index 0c9972c..6e150b3 100644
--- a/README.md
+++ b/README.md
@@ -198,10 +198,9 @@ Options:
 
 #### `npm-shrinkwrap check`
 
-Asserts that your `npm-shrinkwrap.json` file and node_modules
-  directory are in sync. If any excess modules are in your
-  node_modules folder, `check` will return an error and print
-  a list of the excess dependencies that are installed.
+Asserts that your `npm-shrinkwrap.json` file, `package.json` file,
+  and node_modules directory are in sync. If any inconsistency
+  is found, an error is returned.
 
 Options:
     --dirname   sets the directory of the npm-shrinkwrap.json
diff --git a/bin/cli.js b/bin/cli.js
index ad6bb22..fd091b6 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -75,11 +75,8 @@ function main(opts, callback) {
                 'into node_modules');
         });
     } else if (command === 'check') {
-        // Otherwise, we check to see if any erroneous dependencies are
-        // installed.
-        //
         // We set opts.dry to true, which suppresses all side effects in the
-        // shrinkShrinkwrap routine.
+        // syncShrinkwrap routine.
         opts.dry = true;
 
         return syncShrinkwrap(opts, function (err, errorReport) {
diff --git a/bin/usage.md b/bin/usage.md
index 6e54271..acc026a 100644
--- a/bin/usage.md
+++ b/bin/usage.md
@@ -36,10 +36,9 @@ Options:
 
 ## `{cmd} check`
 
-Asserts that your `npm-shrinkwrap.json` file and node_modules
-  directory are in sync. If any excess modules are in your
-  node_modules folder, `check` will return an error and print
-  a list of the excess dependencies that are installed.
+Asserts that your `npm-shrinkwrap.json` file, `package.json` file,
+  and node_modules directory are in sync. If any inconsistency
+  is found, an error is returned.
 
 Options:
     --dirname   sets the directory of the npm-shrinkwrap.json