(Fround): A better doc fix.

1 files changed, 3 insertions, 4 deletions

diff --git a/src/floatfns.c b/src/floatfns.c
index 0064eec6259..708dfab547a 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -861,10 +861,9 @@ DEFUN ("round", Fround, Sround, 1, 2, 0,
        doc: /* Return the nearest integer to ARG.
 With optional DIVISOR, return the nearest integer to ARG/DIVISOR.
 
-If ARG is equally close to both the nearest integer smaller than ARG
-and to the nearest integer larger than ARG, the result can be either
-of these two integers, depending on the underlying implementation of
-the system library.  For example, \(round 2.5\) can return 3 on some
+Rounding a value equidistant between two integers may choose the
+integer closer to zero, or it may prefer an even integer, depending on
+your machine.  For example, \(round 2.5\) can return 3 on some
 systems, but 3 on others.  */)
      (arg, divisor)
      Lisp_Object arg, divisor;