snippets - update snippet help text

src/vs/workbench/parts/snippets/electron-browser/snippets.contribution.ts

@@ -67,7 +67,8 @@ class OpenSnippetsAction extends actions.Action {
 						'/*',
 						'\t // Place your snippets for ' + language.label + ' here. Each snippet is defined under a snippet name and has a prefix, body and ',
 						'\t // description. The prefix is what is used to trigger the snippet and the body will be expanded and inserted. Possible variables are:',
-						'\t // $1, $2 for tab stops, ${id} and ${id:label} and ${1:label} for variables. Variables with the same id are connected.',
+						'\t // $1, $2 for tab stops, $0 for the final cursor position, and ${1:label}, ${2:another} for placeholders. Placeholders with the ',
+						'\t // same ids are connected.',
 						'\t // Example:',
 						'\t "Print to console": {',
 						'\t\t"prefix": "log",',
@@ -162,4 +163,4 @@ let schema: IJSONSchema = {
 };
 
 let schemaRegistry = <JSONContributionRegistry.IJSONContributionRegistry>platform.Registry.as(JSONContributionRegistry.Extensions.JSONContribution);
-schemaRegistry.registerSchema(schemaId, schema);
+schemaRegistry.registerSchema(schemaId, schema);
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