Fix doc build

doc/chapters/basic-api.texi

@@ -1637,13 +1637,12 @@ todo
 todo
 @end deftypefun
 
-@deftypefun int starpu_opencl_set_kernel_args({cl_int *}@var{err}, {cl_kernel
-*}@var{kernel}, ...)
+@deftypefun int starpu_opencl_set_kernel_args ({cl_int *}@var{err}, {cl_kernel *}@var{kernel}, ...)
 Sets the arguments of a given kernel. The list of arguments must be given as
-({size_t} @var{size_of_the_argument}, {cl_mem *}
-@var{pointer_to_the_argument}). The last argument must be 0. Returns the number
-of arguments that were successfully set. In case of failure, @var{err} is set
-to the error returned by OpenCL.
+(size_t @var{size_of_the_argument}, cl_mem * @var{pointer_to_the_argument}).
+The last argument must be 0. Returns the number of arguments that were
+successfully set. In case of failure, @var{err} is set to the error returned by
+OpenCL.
 @end deftypefun
 
 @node Compiling OpenCL kernels