if (bf != floor (bf) || bf <= LONG_MIN || bf > LONG_MAX)
{
msg_at (SE, matrix_expr_location (e->subs[1]),
- _("Exponent %.1f in matrix multiplication is non-integer "
+ _("Exponent %.1f in matrix exponentiation is non-integer "
"or outside the valid range."), bf);
return NULL;
}