diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you use this script in your work, please cite this github using the informati
 
 **v1.4** - updated main script and arranged some files
 
-*Ashhurst, T. M. (2019). tSNEplots v1.4. GitHub repository. DOI: TBC, repository: https://github.com/sydneycytometry/tSNEplots/releases.*
+*Ashhurst, T. M. (2017). tSNEplots v1.4. GitHub repository. DOI: TBC, repository: https://github.com/sydneycytometry/tSNEplots/releases.*
 
 **v1.3** - updated to ignore columns with non-numeric values