diff --git a/reference/functions/url_get.markdown b/reference/functions/url_get.markdown
index 9c522771b..d8bfec329 100644
--- a/reference/functions/url_get.markdown
+++ b/reference/functions/url_get.markdown
@@ -31,13 +31,13 @@ always provided.
 
 The available options currently are:
 
-* `url.max_content`: if present, specifies the maximum number of content bytes to retrieve.
-* `url.max_headers`: if present, specifies the maximum number of response headers to retrieve.
-* `url.verbose`: if 1, `libcurl` will be more verbose while retrieving the content
-* `url.timeout`: if present, `libcurl` will time out the request after that many seconds
-* `url.referer`: if present, `libcurl` will set the Referer to this
-* `url.user-agent`: if present, `libcurl` will set the User-Agent to this
-* `url.headers`: an array of strings in the format `Foo: bar` specifying headers for the request
+* `url.max_content`: if present, specifies the maximum number of content bytes to retrieve (**default 4096**).
+* `url.max_headers`: if present, specifies the maximum number of response headers to retrieve (**default 4096**).
+* `url.verbose`: if 1, `libcurl` will be more verbose while retrieving the content (**default 0**).
+* `url.timeout`: if present, `libcurl` will time out the request after that many seconds (**default 3**).
+* `url.referer`: if present, `libcurl` will set the Referer to this (**default unset**).
+* `url.user-agent`: if present, `libcurl` will set the User-Agent to this (**default unset**).
+* `url.headers`: an array of strings in the format `Foo: bar` specifying headers for the request (**default `[Host: host , Accept: \*/\*]`**).
 
 The returned data container will have the following keys: