[devhelp] Book: small doc improvement for the signals

[Sébastien Wilmet <swilmet src gnome org>]

commit 58b276a78ae634e1932221105cd2825c3b7c953d
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Dec 10 10:37:26 2017 +0100

    Book: small doc improvement for the signals

 src/dh-book.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/dh-book.c b/src/dh-book.c
index 55616ab..4f9844a 100644
--- a/src/dh-book.c
+++ b/src/dh-book.c
@@ -131,7 +131,7 @@ dh_book_class_init (DhBookClass *klass)
 
         /**
          * DhBook::enabled:
-         * @book: the book on which the signal is emitted.
+         * @book: the #DhBook emitting the signal.
          */
         signals[SIGNAL_BOOK_ENABLED] =
                 g_signal_new ("enabled",
@@ -144,7 +144,7 @@ dh_book_class_init (DhBookClass *klass)
 
         /**
          * DhBook::disabled:
-         * @book: the book on which the signal is emitted.
+         * @book: the #DhBook emitting the signal.
          */
         signals[SIGNAL_BOOK_DISABLED] =
                 g_signal_new ("disabled",
@@ -157,7 +157,7 @@ dh_book_class_init (DhBookClass *klass)
 
         /**
          * DhBook::updated:
-         * @book: the book on which the signal is emitted.
+         * @book: the #DhBook emitting the signal.
          */
         signals[SIGNAL_BOOK_UPDATED] =
                 g_signal_new ("updated",
@@ -170,7 +170,7 @@ dh_book_class_init (DhBookClass *klass)
 
         /**
          * DhBook::deleted:
-         * @book: the book on which the signal is emitted.
+         * @book: the #DhBook emitting the signal.
          */
         signals[SIGNAL_BOOK_DELETED] =
                 g_signal_new ("deleted",