--- a/src/DLD-FUNCTIONS/bsxfun.cc
+++ b/src/DLD-FUNCTIONS/bsxfun.cc
@@ -312,15 +312,18 @@
 DEFUN_DLD (bsxfun, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Loadable Function} {} bsxfun (@var{f}, @var{A}, @var{B})\n\
-Apply a binary function @var{f} element-by-element to two matrix arguments\n\
-@var{A} and @var{B}.  @var{f} is a function handle, inline function, or\n\
-string containing the name of the function to evaluate.\n\
-The function @var{f} must be capable of accepting two column-vector\n\
-arguments of equal length, or one column vector argument and a scalar.\n\
+The binary singleton expansion function applier does what its name\n\
+suggests: applies a binary function @var{f} element-by-element to two\n\
+array arguments @var{A} and @var{B}, and expands as necessary\n\
+singleton dimensions in either input argument. @var{f} is a function\n\
+handle, inline function, or string containing the name of the function\n\
+to evaluate. The function @var{f} must be capable of accepting two\n\
+column-vector arguments of equal length, or one column vector argument\n\
+and a scalar.\n\
 \n\
-The dimensions of @var{A} and @var{B} must be equal or singleton.  The\n\
-singleton dimensions of the matrices will be expanded to the same\n\
-dimensionality as the other matrix.\n\
+The dimensions of @var{A} and @var{B} must be equal or singleton. The\n\
+singleton dimensions of the arrays will be expanded to the same\n\
+dimensionality as the other array.\n\
 @seealso{arrayfun, cellfun}\n\
 @end deftypefn")
 {