diff --git a/thesis/references.bib b/thesis/references.bib
index 882f30c8f331b616f974087eda89b3d4611f3aaa..423f566dbcbe3545e64fb6867ce7effcbfe28725 100644
--- a/thesis/references.bib
+++ b/thesis/references.bib
@@ -211,7 +211,7 @@
   year = {2013},
   publisher = {University of Chicago Press},
   note = {Retreived July 21, 2019 from
-            \ur{https://books.google.co.uk/books?id=UQmZN2z92woC&pg=PA10&dq=%22Brazilian+aardvark%22&hl=en&sa=X&ved=0ahUKEwis0dWE4q7RAhULWBoKHYHABkwQ6AEIJTAC#v=onepage&q=%22Brazilian%20aardvark%22&f=false}}
+            \url{https://books.google.co.uk/books?id=UQmZN2z92woC&pg=PA10&dq=%22Brazilian+aardvark%22&hl=en&sa=X&ved=0ahUKEwis0dWE4q7RAhULWBoKHYHABkwQ6AEIJTAC#v=onepage&q=%22Brazilian%20aardvark%22&f=false}}
 }
 
 @inproceedings{KieMonHill2016,