Update README.md

Avoid word repetition

README.md

@@ -137,7 +137,7 @@ critical to ensuring the number of unique states eventually converged to a
 reasonable level. Overcoming this challenge led to significant improvements in
 the vision pipeline.
 
-Note that certain characters and scenarios can significantly increase
+Note that certain characters and scenarios can considerably increase
 segmentation difficulty, and fine-tuning the vision pipeline parameters would
 be necessary to achieve optimal results.