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diff --git a/references.bib b/references.bib
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+++ b/references.bib
@@ -219,8 +219,8 @@
 	volume       = 26
 }
 @article{islam2017survey,
-	title        = {A survey on optical character recognition system},
-	author       = {Islam, Noman and Islam, Zeeshan and Noor, Nazia},
+	title        = {A survey on optical character recognition systems},
+	author       = {Islam, Islam, Noor},
 	year         = 2017,
 	journal      = {arXiv preprint arXiv:1710.05703}
 }