fixes issue with append action's unique option

README.md

@@ -349,7 +349,7 @@ Property | Type | Default | Description
 -------- | ---- | ------- | -----------
 **path** | *String* | | handlebars template that (when rendered) is the path of the file to be modified
 **pattern** | *RegExp, String* | | regular expression used to match text where the append should happen
-**unique** | *Boolean* | true | whether identical entries should be removed
+**unique** | *Boolean* | `true` | whether identical entries should be removed
 **separator** | *String* | `new line` | the value that separates entries
 **template** | *String* | | handlebars template to be used for the entry
 **templateFile** | *String* | | path a file containing the `template`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "plop",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "description": "Micro-generator framework that makes it easy for an entire team to create files with a level of uniformity",
   "main": "./src/plop",
   "repository": {
@@ -32,7 +32,7 @@
     "interpret": "^1.2.0",
     "liftoff": "^2.5.0",
     "minimist": "^1.2.0",
-    "node-plop": "~0.20.0",
+    "node-plop": "~0.21.0",
     "ora": "^3.4.0",
     "v8flags": "^2.0.10"
   },