Updated package.json

Author: mcjazzyfunky

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "js-spec",
-  "version": "0.1.67",
+  "version": "0.1.68",
   "license": "LGPL-3.0",
   "homepage": "https://github.com/js-works/js-spec",
   "main": "index.js",
@@ -18,34 +18,34 @@
     "dist"
   ],
   "devDependencies": {
-    "@types/chai": "^4.1.7",
+    "@types/chai": "^4.2.0",
     "@types/mocha": "^5.2.7",
-    "@types/node": "^12.6.9",
+    "@types/node": "^12.7.3",
     "bestzip": "^2.1.4",
     "chai": "~4.2.0",
     "copyfiles": "^2.1.1",
-    "coveralls": "^3.0.5",
+    "coveralls": "^3.0.6",
     "cross-conf-env": "^1.1.2",
     "crypto.js": "^1.3.1",
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
-    "rollup": "^1.18.0",
+    "rollup": "^1.20.3",
     "rollup-plugin-gzip": "^2.2.0",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-terser": "^5.1.1",
     "rollup-plugin-tslint": "^0.2.2",
-    "rollup-plugin-typescript2": "^0.22.1",
-    "rollup-plugin-uglify": "^6.0.2",
+    "rollup-plugin-typescript2": "^0.24.0",
+    "rollup-plugin-uglify": "^6.0.3",
     "rollup-plugin-uglify-es": "0.0.1",
     "rxjs": "^6.5.2",
     "shx": "^0.3.2",
     "symbol-observable": "^1.2.0",
     "ts-loader": "^6.0.4",
     "ts-node": "^8.3.0",
-    "tslint": "^5.18.0",
+    "tslint": "^5.19.0",
     "typedoc": "^0.15.0",
-    "typescript": "^3.5.3"
+    "typescript": "^3.6.2"
   },
   "scripts": {
     "clean": "shx rm -rf ./build ./dist ./coverage",

package.json

@@ -535,7 +535,7 @@ const Spec = {
           }
 
           if (invalidKeys.length > 0) {
-            ret = new SpecError('Invalid keys:' + invalidKeys.join(', '))
+            ret = new SpecError('Invalid key(s): ' + invalidKeys.join(', '))
           }
         }