[gnumeric] Docs: typo.

[Morten Welinder <mortenw src gnome org>]

commit 564a465ab9bb14e89f8850a8185fab5c9e23f835
Author: Morten Welinder <terra gnome org>
Date:   Fri Aug 14 18:48:46 2009 -0400

    Docs: typo.

 plugins/fn-math/functions.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plugins/fn-math/functions.c b/plugins/fn-math/functions.c
index 515c692..d0432c1 100644
--- a/plugins/fn-math/functions.c
+++ b/plugins/fn-math/functions.c
@@ -411,8 +411,8 @@ static GnmFuncHelp const help_atan2[] = {
         { GNM_FUNC_HELP_ARG, F_("b2:angle in radians")},
         { GNM_FUNC_HELP_DESCRIPTION, F_("ATAN2 calculates the arc tangent of the ratio @{b1}/@{b2} with the sign according to the quadrant containing (@{b1},@{b2}).")},
 	{ GNM_FUNC_HELP_EXCEL, F_("This function is Excel compatible.") },
-        { GNM_FUNC_HELP_EXAMPLES, "=ATAN(0.5,1.0)" },
-        { GNM_FUNC_HELP_EXAMPLES, "=ATAN(-0.5,2.0)" },
+        { GNM_FUNC_HELP_EXAMPLES, "=ATAN2(0.5,1.0)" },
+        { GNM_FUNC_HELP_EXAMPLES, "=ATAN2(-0.5,2.0)" },
         { GNM_FUNC_HELP_SEEALSO, "ATAN,ATANH,COS,SIN,DEGREES,RADIANS"},
         { GNM_FUNC_HELP_END}
 };