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-rw-r--r--content/posts/binarisation-introduction/index.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/content/posts/binarisation-introduction/index.md b/content/posts/binarisation-introduction/index.md
index a5c07cc..13b27dc 100644
--- a/content/posts/binarisation-introduction/index.md
+++ b/content/posts/binarisation-introduction/index.md
@@ -60,7 +60,7 @@ foreground pixels is consistent.
However, even with the most perfectly chosen threshold number, there
are certain cases that no global threshold binarisation can do a good
-job at. Pages which been scanned with have uneven lighting do badly,
+job at. Pages which have been scanned with uneven lighting do badly,
as the background brightness may be quite different for one corner of
a page than another. Global threshold binarisation can also have
problems with paper or ink inconsistencies, such as blemishes,