[gtk/ebassi/gidocgen] expander: Tweak docs

[Matthias Clasen <matthiasc src gnome org>]

commit dfd04cd78902b3eae63e8992f0bf6b9e9dae5c91
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 1 01:35:45 2021 -0500

    expander: Tweak docs

 gtk/gtkexpander.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index 3975d8231b..cce9876cca 100644
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -22,7 +22,7 @@
 /**
  * GtkExpander:
  *
- * `GtkExpander` allows the user to hide or show its child by clicking
+ * `GtkExpander` allows the user to reveal its child by clicking
  * on an expander triangle.
  *
  * ![An example GtkExpander](expander.png)