diff -upr old/sc/source/ui/src/scfuncs.src new/sc/source/ui/src/scfuncs.src
--- old/sc/source/ui/src/scfuncs.src	2008-07-08 15:24:25.000000000 +0800
+++ new/sc/source/ui/src/scfuncs.src	2008-11-28 10:08:29.000000000 +0800
@@ -3554,7 +3554,7 @@ Resource RID_SC_FUNCTION_DESCRIPTIONS1
             0;
 			ID_FUNCTION_GRP_MATH;
 			U2S( HID_FUNC_LOG );
-			2;	0;	0;
+			2;	0;	1;
             0;
 		};
 		String 2 // Name of Parameter 1
@@ -3571,7 +3571,7 @@ Resource RID_SC_FUNCTION_DESCRIPTIONS1
 		};
 		String 5 // Description of Parameter 2
 		{
-			Text [ en-US ] = "The base of the logarithm." ;
+			Text [ en-US ] = "The base of the logarithm. If omitted, the base is regarded as 10." ;
 		};
 	};
 	 // -=*# Resource for function LN #*=-