diff --git a/wp-admin/options-discussion.php b/wp-admin/options-discussion.php
index 9b8ba158d6..bc5a73ecbd 100644
--- a/wp-admin/options-discussion.php
+++ b/wp-admin/options-discussion.php
@@ -61,7 +61,7 @@ include('admin-header.php');
 
 <p><?php _e('When a comment contains any of these words in its content, name, URL, e-mail, or IP, it will be held in the <a href="edit-comments.php?comment_status=moderated">moderation queue</a>. One word or IP per line. It will match inside words, so "press" will match "WordPress".') ?></p>
 <p>
-<textarea name="moderation_keys" cols="60" rows="4" id="moderation_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('moderation_keys'); ?></textarea>
+<textarea name="moderation_keys" cols="60" rows="10" id="moderation_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('moderation_keys'); ?></textarea>
 </p>
 </td>
 </tr>
@@ -70,7 +70,7 @@ include('admin-header.php');
 <td>
 <p><?php _e('When a comment contains any of these words in its content, name, URL, e-mail, or IP, it will be marked as spam. One word or IP per line. It will match inside words, so "press" will match "WordPress".') ?></p>
 <p>
-<textarea name="blacklist_keys" cols="60" rows="4" id="blacklist_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('blacklist_keys'); ?></textarea>
+<textarea name="blacklist_keys" cols="60" rows="10" id="blacklist_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('blacklist_keys'); ?></textarea>
 </p>
 </td>
 </tr>