diff --git a/share/man/man7/arch.7 b/share/man/man7/arch.7
--- a/share/man/man7/arch.7
+++ b/share/man/man7/arch.7
@@ -109,7 +109,7 @@
 .It pc98        Ta 2.2   Ta 11.4
 .It powerpc     Ta 6.0
 .It powerpcspe  Ta 12.0
-.It powerpc64   Ta 6.0
+.It powerpc64   Ta 9.0
 .It powerpc64le Ta 13.0
 .It riscv64     Ta 12.0
 .It riscv64sf   Ta 12.0