Merge pull request #2 from bmralph/patch-1

Update population_permutation.Rmd

permutation/population_permutation.Rmd

@@ -72,7 +72,7 @@ brexit_df.head()
 ```
 
 We are only interested in the reported ages for the Remain voters, and the
-reported ages for the remain voters.  The code below extracts the ages for
+reported ages for the Leave voters.  The code below extracts the ages for
 the Remain voters into one array, called `remain_ages`, and the ages for the
 Leave voters into another array, called `leave_ages`.