[libhandy] clamp: Fix using "width" instead of "size" in doc

[Alexander Mikhaylenko <alexm src gnome org>]

commit 3c57973b2aab2938d99d6303ec34c601099152d6
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Jun 10 15:35:26 2021 +0200

    clamp: Fix using "width" instead of "size" in doc

 src/hdy-clamp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/hdy-clamp.c b/src/hdy-clamp.c
index 347bc3ee..2409fc9a 100644
--- a/src/hdy-clamp.c
+++ b/src/hdy-clamp.c
@@ -473,7 +473,7 @@ hdy_clamp_new (void)
  * Gets the maximum size to allocate to the contained child. It is the width if
  * @self is horizontal, or the height if it is vertical.
  *
- * Returns: the maximum width to allocate to the contained child.
+ * Returns: the maximum size to allocate to the contained child.
  *
  * Since: 1.0
  */