diff --git a/deps/brackets-extensibility-0.45.0.tgz b/deps/brackets-extensibility-0.45.0.tgz
index 33b7860..4d7f685 100644
Binary files a/deps/brackets-extensibility-0.45.0.tgz and b/deps/brackets-extensibility-0.45.0.tgz differ
diff --git a/lib/routes.js b/lib/routes.js
index ab6f7ef..4771b11 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -56,7 +56,7 @@ var _stringMap = {
     "INVALID_REQUIREMENTS"      : "The requirements given were not a valid semver specification.",
 
     // Validation errors
-    "INVALID_ZIP_FILE"          : "The uploaded content is not a valid zip file.",
+    "INVALID_ZIP_FILE"          : "The uploaded content is not a valid zip file (error was: {1}).",
     "INVALID_PACKAGE_JSON"      : "The package.json file is not valid (error was: {0}).",
     "MISSING_PACKAGE_NAME"      : "The package.json file doesn't specify a package name.",
     "BAD_PACKAGE_NAME"          : "{0} is an invalid package name (valid package names contain only lowercase letters, numbers, '.', '-' and '_'). Use 'title' for a display name.",