Update plugin.json description, should include the word 'validate'

validation.jquery.json

@@ -1,7 +1,7 @@
 {
 	"name": "validation",
 	"title": "jQuery Validation",
-	"description": "Form validation made easy",
+	"description": "Form validation made easy. Validate a simple comment form with inline rules, or a complex signup form with powerful remote checks.",
 	"keywords": [
 		"forms",
 		"validation",