Function Wizard: clarify that CEILING.XCL rounds away from zero

Change-Id: Iabb24d673c15ffa26bb7ea00373639e736e324d4

sc/source/ui/src/scfuncs.src

@@ -4565,7 +4565,7 @@ Resource RID_SC_FUNCTION_DESCRIPTIONS1
     {
         String 1 // Description
         {
-            Text [ en-US ] = "Rounds a number up to the nearest multiple of significance.\nThis function exists for interoperability with Microsoft Excel 2007 or older versions." ;
+            Text [ en-US ] = "Rounds a number away from zero to the nearest multiple of significance.\nThis function exists for interoperability with Microsoft Excel 2007 or older versions." ;
         };
         ExtraData =
         {