diff --git a/src/gui_photon.c b/src/gui_photon.c
index 293debe..fa7dc92 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -3004,8 +3004,11 @@
     return( OK );
 }
 
+/*
+ * Adjust gui.char_height (after 'linespace' was changed).
+ */
     int
-gui_mch_adjust_charsize(void)
+gui_mch_adjust_charheight(void)
 {
     FontQueryInfo info;