[gspell] text-view: better explain property changes handling

[Sébastien Wilmet <swilmet src gnome org>]

commit 53449af37134414a98b2de055cdc73eaef9b3e09
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun May 8 17:30:10 2016 +0200

    text-view: better explain property changes handling

 gspell/gspell-text-view.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gspell/gspell-text-view.c b/gspell/gspell-text-view.c
index c822af1..62386da 100644
--- a/gspell/gspell-text-view.c
+++ b/gspell/gspell-text-view.c
@@ -38,8 +38,9 @@
  * #GtkTextTag added to the buffer.
  *
  * You need to call gspell_text_buffer_set_spell_checker() to associate a
- * #GspellChecker to the #GtkTextBuffer. #GtkTextView:buffer changes are
- * handled, as well as #GspellChecker changes.
+ * #GspellChecker to the #GtkTextBuffer. #GspellTextView handles automatically
+ * changes to the following properties: #GtkTextView:buffer,
+ * #GspellTextBuffer:spell-checker and #GspellChecker:language.
  *
  * Note that #GspellTextView extends the #GtkTextView class but without
  * subclassing it, because the GtkSourceView library has already a #GtkTextView