diff --git a/doc/api/querystring.md b/doc/api/querystring.md
index 3a864e2d4fa1fe..263f44e1990b44 100644
--- a/doc/api/querystring.md
+++ b/doc/api/querystring.md
@@ -8,11 +8,17 @@ This module provides utilities for dealing with query strings.
 It provides the following methods:
 
 ## querystring.escape
+<!-- YAML
+added: v0.1.25
+-->
 
 The escape function used by `querystring.stringify`,
 provided so that it could be overridden if necessary.
 
 ## querystring.parse(str[, sep][, eq][, options])
+<!-- YAML
+added: v0.1.25
+-->
 
 Deserialize a query string to an object.
 Optionally override the default separator (`'&'`) and assignment (`'='`)
@@ -38,6 +44,9 @@ querystring.parse('w=%D6%D0%CE%C4&foo=bar', null, null,
 ```
 
 ## querystring.stringify(obj[, sep][, eq][, options])
+<!-- YAML
+added: v0.1.25
+-->
 
 Serialize an object to a query string.
 Optionally override the default separator (`'&'`) and assignment (`'='`)
@@ -63,6 +72,9 @@ querystring.stringify({ w: '中文', foo: 'bar' }, null, null,
 ```
 
 ## querystring.unescape
+<!-- YAML
+added: v0.1.25
+-->
 
 The unescape function used by `querystring.parse`,
 provided so that it could be overridden if necessary.
diff --git a/doc/api/url.md b/doc/api/url.md
index ab29c500d80335..f8c2980bd568bc 100644
--- a/doc/api/url.md
+++ b/doc/api/url.md
@@ -80,6 +80,9 @@ properties of URL objects:
 The following methods are provided by the URL module:
 
 ## url.format(urlObj)
+<!-- YAML
+added: v0.1.25
+-->
 
 Take a parsed URL object, and return a formatted URL string.
 
@@ -106,6 +109,9 @@ Here's how the formatting process works:
 * `hash` is treated the same with or without the leading `#` (pound sign, anchor).
 
 ## url.parse(urlStr[, parseQueryString][, slashesDenoteHost])
+<!-- YAML
+added: v0.1.25
+-->
 
 Take a URL string, and return an object.
 
@@ -120,6 +126,9 @@ Pass `true` as the third argument to treat `//foo/bar` as
 `{ pathname: '//foo/bar' }`. Defaults to `false`.
 
 ## url.resolve(from, to)
+<!-- YAML
+added: v0.1.25
+-->
 
 Take a base URL, and a href URL, and resolve them as a browser would for
 an anchor tag.  Examples: