[devel] Fix typo in pngwutil.c comment.
diff --git a/pngwutil.c b/pngwutil.c
index 6ea5ee4..ffa8792 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -967,7 +967,7 @@
          {
             /* Compute the maximum possible length of the datastream */
 
-            /* Number of pixels, plus for each row a filter byte and possible
+            /* Number of pixels, plus for each row a filter byte
              * and possibly a padding byte, so increase the maximum
              * size to account for these.
              */