diff --git a/packages/audit-argument-checks/.gitignore b/packages/audit-argument-checks/.gitignore
new file mode 100644
index 0000000000..677a6fc263
--- /dev/null
+++ b/packages/audit-argument-checks/.gitignore
@@ -0,0 +1 @@
+.build*
diff --git a/tools/meteor_npm.js b/tools/meteor_npm.js
index e588f9b11a..9eb5466654 100644
--- a/tools/meteor_npm.js
+++ b/tools/meteor_npm.js
@@ -462,7 +462,7 @@ _.extend(exports, {
       this._execFileSync(path.join(files.get_dev_bundle(), "bin", "npm"),
                          ["shrinkwrap"], {cwd: dir});
 
-    if (! result.sucess) {
+    if (! result.success) {
       console.log(result.stderr);
       buildmessage.error("couldn't run `npm shrinkwrap`");
       // Recover by returning false from updateDependencies