Index: branches/5.3.x/core/admin_templates/promo_blocks/promo_block_edit.tpl
===================================================================
diff -u -N -r15677 -r15690
--- branches/5.3.x/core/admin_templates/promo_blocks/promo_block_edit.tpl	(.../promo_block_edit.tpl)	(revision 15677)
+++ branches/5.3.x/core/admin_templates/promo_blocks/promo_block_edit.tpl	(.../promo_block_edit.tpl)	(revision 15690)
@@ -80,7 +80,7 @@
 		<inp2:m_RenderElement name="inp_id_label" prefix="promo-block" field="BlockId" title="la_fld_Id"/>
 		<inp2:m_RenderElement name="inp_edit_options" prefix="promo-block" field="PromoBlockGroupId" title="la_fld_PromoBlockGroup" has_empty="1"/>
 		<inp2:m_RenderElement name="inp_edit_box_ml" prefix="promo-block" field="Title" maxlength="50"/>
-		<inp2:m_RenderElement name="inp_edit_textarea_ml" prefix="promo-block" field="Html" title="la_fld_Text" control_options="{min_height: 60}" allow_html="1" rows="4" cols="70"/>
+		<inp2:m_RenderElement name="inp_edit_codemirror" prefix="promo-block" field="Html" title="la_fld_Text" control_options="{min_height: 60}" allow_html="1" language="text/html"/>
 		<inp2:m_RenderElement name="inp_edit_box_ml" prefix="promo-block" field="ButtonText"/>
 
 		<inp2:m_RenderElement name="inp_edit_options" prefix="promo-block" field="Priority" title="la_fld_Order"/>