diff --git a/phpBB/styles/subsilver2/template/posting_buttons.html b/phpBB/styles/subsilver2/template/posting_buttons.html
index 0aab79b7aa..2fff9c1991 100644
--- a/phpBB/styles/subsilver2/template/posting_buttons.html
+++ b/phpBB/styles/subsilver2/template/posting_buttons.html
@@ -19,6 +19,7 @@
 			o: '{LA_BBCODE_O_HELP}',
 			p: '{LA_BBCODE_P_HELP}',
 			w: '{LA_BBCODE_W_HELP}',
+			a: '{LA_BBCODE_A_HELP}',
 			s: '{LA_BBCODE_S_HELP}',
 			f: '{LA_BBCODE_F_HELP}',
 			e: '{LA_BBCODE_E_HELP}',