diff --git a/website/source/docs/provisioning/puppet_apply.html.md b/website/source/docs/provisioning/puppet_apply.html.md
index ba3413c6a..cf1a69461 100644
--- a/website/source/docs/provisioning/puppet_apply.html.md
+++ b/website/source/docs/provisioning/puppet_apply.html.md
@@ -52,8 +52,8 @@ available below this section.
 * `environment_path` (string) - Path to the directory that contains environment
   files on the host disk.
 
-* `environment_variables` (hash) - A hash of data to be set as environment
-  variables before the puppet apply run.
+* `environment_variables` (hash) - A hash of string key/value pairs to be set as
+  environment variables before the puppet apply run.
 
 * `options` (array of strings) - Additionally options to pass to the
   Puppet executable when running Puppet.