diff --git a/share/man/man5/libmap.conf.5 b/share/man/man5/libmap.conf.5
index 9992fa654979..6959ce2aaa93 100644
--- a/share/man/man5/libmap.conf.5
+++ b/share/man/man5/libmap.conf.5
@@ -96,10 +96,11 @@ The most common use at the date of writing is for allowing multiple
 threading libraries to be used on a system without relinking or
 changing symlinks.
 .Pp
-On 64-bit architectures, the libmap mechanism is available for 32-bit
-binaries too.
+On 64-bit architectures that provide 32-bit runtime support,
+the libmap mechanism is available for 32-bit binaries too.
 The mappings has to be written into separate configuration file
 .Pa /etc/libmap32.conf .
+Currently only supported on amd64.
 .Pp
 This mechanism has also been used to create shims to allow Linux
 shared libraries to be dynamically loaded into