diff --git a/devel-docs/gtkbuilder-porting-guide.txt b/devel-docs/gtkbuilder-porting-guide.txt
index c277f48116c8c5de20acfa0b70642f0980ebffbd..43bbe095b5b26bd941c1b65430414a45ce474255 100644
--- a/devel-docs/gtkbuilder-porting-guide.txt
+++ b/devel-docs/gtkbuilder-porting-guide.txt
@@ -135,7 +135,7 @@ Troubleshooting
 ---------------
 
 If your GtkComboBox doesn't draw any items it's probably because it
-doesn't have a cell renderer. Appearently there is no UI to add one in
+doesn't have a cell renderer. Apparently there is no UI to add one in
 GLade-3, so add it manually in the UI file, see the GTK+ doc for
 GtkCellLayout; this is what you need to add: