diff --git a/components/textarea.inc b/components/textarea.inc
index 76ecedc..eb56ec7 100644
--- a/components/textarea.inc
+++ b/components/textarea.inc
@@ -60,7 +60,7 @@ function _webform_edit_textarea($component) {
     '#type' => 'textfield',
     '#title' => t('Width'),
     '#default_value' => $component['extra']['cols'],
-    '#description' => t('Width of the textarea.') . ' ' . t('Leaving blank will use the default size.'),
+    '#description' => t('Width of the textarea in columns. This property might not have a visual impact depending on the CSS of your site.') . ' ' . t('Leaving blank will use the default size.'),
     '#size' => 5,
     '#maxlength' => 10,
     '#parents' => array('extra', 'cols'),
@@ -69,7 +69,7 @@ function _webform_edit_textarea($component) {
     '#type' => 'textfield',
     '#title' => t('Height'),
     '#default_value' => $component['extra']['rows'],
-    '#description' => t('Height of the textarea.') . ' ' . t('Leaving blank will use the default size.'),
+    '#description' => t('Height of the textarea in rows.') . ' ' . t('Leaving blank will use the default size.'),
     '#size' => 5,
     '#maxlength' => 10,
     '#parents' => array('extra', 'rows'),