diff --git a/README.md b/README.md
index bf8fbe3..911eaa6 100644
--- a/README.md
+++ b/README.md
@@ -126,6 +126,10 @@ The optional switch to change the way that `proxyPassword` is interpreted from
 secure string to plaintext. This will send the password in plaintext to the
 machine being provisioned, which may be a security concern.
 
+#### `cookies`
+
+An optional array of cookies to add to the HTTP request for the download.
+
 ## Limitations
 
 This module is tested on the following platforms:
diff --git a/manifests/init.pp b/manifests/init.pp
index 176c766..def1825 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -37,6 +37,9 @@
 # [*timeout*]
 # The optional timeout(in seconds) in case you expect to download big and slow file
 #
+# [*cookies*]
+# An optional array of cookies to add to the HTTP request for the download.
+#
 # === Examples
 #
 # To download dotnet 4.0