AC_DEFUN([ENABLE_HSIEH_HASH],
[AC_ARG_ENABLE([hsieh_hash],
[AS_HELP_STRING([--enable-hsieh_hash],
- [build with support for hsieh hashing. @<:default=off@:>@])],
+ [build with support for hsieh hashing. @<:@default=off@:>@])],
[ac_cv_enable_hsieh_hash=yes],
[ac_cv_enable_hsieh_hash=no])