diff --git a/kindlecomicconverter/page_number_crop_alg.py b/kindlecomicconverter/page_number_crop_alg.py
index d195751a..9b497232 100644
--- a/kindlecomicconverter/page_number_crop_alg.py
+++ b/kindlecomicconverter/page_number_crop_alg.py
@@ -8,9 +8,9 @@
 We assume the distance between the digit is no more than 'max_dist_size' (x,y), and no more than 3 digits.
 '''
 max_shape_size_tolerated_size = (0.015*3, 0.02) # percent
-min_shape_size_tolerated_size = (0.01, 0.005)  # percent
+min_shape_size_tolerated_size = (0.003, 0.006)  # percent
 window_h_size = max_shape_size_tolerated_size[1]*1.25 # percent
-max_dist_size = (0.007, 0.002) # percent
+max_dist_size = (0.01, 0.002) # percent
 
 
 '''