[kgraphviewer] doc/en_US: Fix minor typo: to to -> to

[Yuri Chornoivan]

Git commit e97b3b72409044f60d9a6e5b72aa49a2eaa7467a by Yuri Chornoivan.
Committed on 07/01/2018 at 08:14.
Pushed by yurchor into branch 'master'.

Fix minor typo: to to -> to

M  +1    -1    doc/en_US/index.docbook

https://commits.kde.org/kgraphviewer/e97b3b72409044f60d9a6e5b72aa49a2eaa7467a

diff --git a/doc/en_US/index.docbook b/doc/en_US/index.docbook
index d261f3b..70d3e1a 100644
--- a/doc/en_US/index.docbook
+++ b/doc/en_US/index.docbook
@@ -513,7 +513,7 @@ or the internal library for parsing &graphviz; ˙ files.</para>
 	<variablelist>
 	<varlistentry>
 	<term><guimenuitem>As Image...</guimenuitem></term>
-	<listitem><para>Allows to export the full graph to to all supported image formats.</para></listitem>
+	<listitem><para>Allows to export the full graph to all supported image formats.</para></listitem>
 	</varlistentry>
 	</variablelist>
 </para></listitem>