diff --git a/episodes/01-r-basics.Rmd b/episodes/01-r-basics.Rmd
index 55ebdfa5..b071bcd6 100644
--- a/episodes/01-r-basics.Rmd
+++ b/episodes/01-r-basics.Rmd
@@ -491,6 +491,7 @@ snp_genes
 ```
 
 > ## Exercise: Examining and subsetting vectors
+> 
 > Answer the following questions to test your knowledge of vectors
 >
 > Which of the following are true of vectors in R?