[glib/gio/gfileinfo/g_file_info_get_size/documentation] Improved the description of g_file_info_get_content_type function

[Uwe Scholz <uwescholz src gnome org>]

commit 429ccbd6d3d7ed6cd2348b41653a277b5c187e91
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Thu Feb 25 21:46:59 2021 +0100

    Improved the description of g_file_info_get_content_type function

 gio/gfileinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gio/gfileinfo.c b/gio/gfileinfo.c
index b83afa130..2a97758b2 100644
--- a/gio/gfileinfo.c
+++ b/gio/gfileinfo.c
@@ -1733,7 +1733,8 @@ g_file_info_get_content_type (GFileInfo *info)
  * g_file_info_get_size:
  * @info: a #GFileInfo.
  *
- * Gets the file's size (in bytes). The size is internally converted
+ * Gets the file's size (in bytes). The size is retrieved through the value of
+ * the %G_FILE_ATTRIBUTE_STANDARD_SIZE attribute and is converted
  * from #guint64 to #goffset before returning the result.
  *
  * Returns: a #goffset containing the file's size (in bytes).