1 files changed, 1 insertions, 1 deletions

diff --git a/doc/gawk.1 b/doc/gawk.1
index 6bb7388b..1f218d33 100644
--- a/doc/gawk.1
+++ b/doc/gawk.1
@@ -358,7 +358,7 @@ actually invalid are issued. (This is not fully implemented yet.)
 .B \-M
 .TP
 .PD
-.B \-\^\-arbitrary-precision
+.B \-\^\-bignum
 Force arbitrary precision arithmetic on numbers. This option has
 no effect if
 .I gawk