diff --git a/docs/signals.txt b/docs/signals.txt
index 1eefc7e0..4e5f85b4 100644
--- a/docs/signals.txt
+++ b/docs/signals.txt
@@ -358,6 +358,9 @@ gui-printtext.c:
 textbuffer-view.c
  "gui textbuffer line removed", TEXTBUFFER_VIEW_REC *view, LINE_REC *line, LINE_REC *prev_line
 
+textbuffer-formats.c
+ "gui render line text", TEXT_DEST_REC, GString *str, LINE_INFO_META_REC
+
 Perl
 ----