[gtk/ebassi/gidocgen] bitset: Small docs tweak

[Matthias Clasen <matthiasc src gnome org>]

commit a3dbe0fdf275b41fc075d855cc9cb04aa46fa127
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 27 19:43:38 2021 -0500

    bitset: Small docs tweak

 gtk/gtkbitset.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkbitset.c b/gtk/gtkbitset.c
index c58c3236db..06849a572f 100644
--- a/gtk/gtkbitset.c
+++ b/gtk/gtkbitset.c
@@ -26,7 +26,8 @@
 /**
  * GtkBitset: (ref-func gtk_bitset_ref) (unref-func gtk_bitset_unref)
  *
- * `GtkBitset` is a data structure for representing a set of unsigned integers.
+ * A `GtkBitset` represents a set of unsigned integers.
+ *
  * Another name for this data structure is "bitmap".
  *
  * The current implementation is based on [roaring bitmaps](https://roaringbitmap.org/).