[genius] Fixed typo

[Marek Äernockà <mcernocky src gnome org>]

commit 2c699909c852cd13dce306832356558a1bdede1c
Author: Marek Äernockà <marek manet cz>
Date:   Sat Jul 2 00:08:23 2011 +0200

    Fixed typo

 help/C/gel-function-list.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/gel-function-list.xml b/help/C/gel-function-list.xml
index 17ce6ce..a6d512b 100644
--- a/help/C/gel-function-list.xml
+++ b/help/C/gel-function-list.xml
@@ -4186,7 +4186,7 @@ the cosine Fourier series of
 <function>f</function> with half-period <varname>L</varname>.  That is,
 we take <function>f</function> defined on <userinput>[0,L]</userinput>
 take the even periodic extension and compute the Fourier series, which
-only has sine terms.  The series is computed up to the 
+only has cosine terms.  The series is computed up to the 
 <varname>N</varname>th harmonic.  The coefficients are
 computed by numerical integration using
 <function>NumericalIntegral</function>.