resize.c comment tweak

diff --git a/magick/resize.c b/magick/resize.c
index a6f46bce3a01d0e8f1c8ef4278a8682fbc0d91cf..d78e9496fef53be6b6382dcfac090f4a73e934b1 100644 (file)
--- a/magick/resize.c
+++ b/magick/resize.c
@@ -720,7 +720,8 @@ MagickExport ResizeFilter *AcquireResizeFilter(const Image *image,
       lobes,    /* Default lobes/support size of the weighting filter */
       scale,    /* Support when used as a windowing function, equal to
                   the scaling needed to match the support of the
-                  windowed function */
+                  windowed function. Typically equal to the location
+                  of the first crossing. */
       B,C;      /* Cubic spline coefficients, ignored if not a CubicBC
                   filter*/
   } const filters[SentinelFilter] =