diff --git a/gtk/gtkadjustment.c b/gtk/gtkadjustment.c
index fc41931069..87471ba624 100644
--- a/gtk/gtkadjustment.c
+++ b/gtk/gtkadjustment.c
@@ -34,7 +34,7 @@
  *
  * `GtkAdjustment` is a model for a numeric value.
  *
- * The `GtkAdjustment has an associated lower and upper bound.
+ * The `GtkAdjustment` has an associated lower and upper bound.
  * It also contains step and page increments, and a page size.
  *
  * Adjustments are used within several GTK widgets, including