put example word count in quotes to avoid coercion warning

index.Rmd

@@ -59,7 +59,7 @@ bibliography: references.bib
 # candidate number and word count
 masters-submission: false
 candidate-number: 123456
-word-count: 10,052
+word-count: "10,052"
 
 # if you want to use a different title page altogether, provide a path to a 
 # .tex file here and it will override the default Oxford one
@@ -125,7 +125,6 @@ use-natbib: false # to use natbib, set this to true, and change "output:bookdown
 natbib-citation-style: authoryear #for science, you might want numbers,square
 natbib-bibliography-style: ACM-Reference-Format #or plainnat or some .bst file you download
 
-
 #####################
 ## output details  ##
 #####################