[giggle] help: Remove an accidental quotation mark introduced in the last commit

[Piotr Drąg <piotrdrag src gnome org>]

commit 57459ae0ba3d25eb6edbdb893ebc740676b27ec9
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 26 18:16:57 2017 +0200

    help: Remove an accidental quotation mark introduced in the last commit

 help/C/history-view.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/history-view.page b/help/C/history-view.page
index e1eb1dd..b489164 100644
--- a/help/C/history-view.page
+++ b/help/C/history-view.page
@@ -28,7 +28,7 @@
    <figure>
     <desc>Giggle in History view mode</desc>
     <media type="image" src="figures/giggle-history_view_sections.png">
-     <p>Giggle main window in History mode"</p>
+     <p>Giggle main window in History mode</p>
     </media>
    </figure>
     <p><app>Giggle</app>'s history view is set up in three main parts: </p>