[tepl] FileMetadata: improve a little the documentation of save_async()

[Sébastien Wilmet <swilmet src gnome org>]

commit 62f7efcfcca1b3f7e84168a18116139f583eba34
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Apr 9 17:06:08 2020 +0200

    FileMetadata: improve a little the documentation of save_async()

 tepl/tepl-file-metadata.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/tepl/tepl-file-metadata.c b/tepl/tepl-file-metadata.c
index 40ddfdf..597bc43 100644
--- a/tepl/tepl-file-metadata.c
+++ b/tepl/tepl-file-metadata.c
@@ -427,7 +427,9 @@ save_metadata_async_cb (GObject      *source_object,
  *   satisfied.
  * @user_data: user data to pass to @callback.
  *
- * Saves asynchronously the metadata for @location.
+ * Saves asynchronously the metadata for @location. Note that the metadata is
+ * not saved <emphasis>to</emphasis> @location, the metadata is saved elsewhere,
+ * <emphasis>for</emphasis> @location.
  *
  * @location must exist on the filesystem, otherwise an error is returned.
  *