[gtk+] Add a missing word in the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 9b18deee1f374637034b070e09b72b9933a84f36
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 8 18:14:18 2015 -0400

    Add a missing word in the docs

 gtk/gtkfilechooserwidget.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 8696e24..6e4375c 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -7154,7 +7154,7 @@ gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
    * which gets emitted when the user asks for it.
    *
    * This is used to make the file chooser show a "Location"
-   * prompt when the user pastes #GtkFileChooserWidget.
+   * prompt when the user pastes into a #GtkFileChooserWidget.
    *
    * The default binding for this signal is `Control + V`.
    */