[genius] Fixed typo in string

[Daniel Mustieles GarcÃa <dmustieles src gnome org>]

commit 448dfcf4ee668e02c578b24ab53f4001bb08150a
Author: Daniel Mustieles <daniel mustieles gmail com>
Date:   Wed Sep 19 10:55:46 2012 +0200

    Fixed typo in string

 help/C/genius.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/genius.xml b/help/C/genius.xml
index 9341f52..50851ea 100644
--- a/help/C/genius.xml
+++ b/help/C/genius.xml
@@ -2947,7 +2947,7 @@ As an example, you can set the maximum number of digits in a result to 12 by typ
 	  <listitem>
 	<para>A string, can be <literal>"normal"</literal>,
 <literal>"latex"</literal>, <literal>"mathml"</literal> or
-<literal>"troff"</literal> and it will effect how matrices (and perhaps other
+<literal>"troff"</literal> and it will affect how matrices (and perhaps other
 stuff) is printed, useful for pasting into documents.  Normal style is the
 default human readable printing style of &app;.  The other styles are for
 typsetting in LaTeX, MathML (XML), or in Troff.</para>