Fix typos (found by @coopermkr).

Author: albhasan

episodes/04-data-structures-part2.Rmd

@@ -296,7 +296,9 @@ head(life_expectancy)
 ```
 
 We can also use a logical vector to achieve the same result. Make sure the
-vector's length match the number of columns in the data frame (to avoid R repeating the shorter vector to match the length of the longer vector, called "vector recycling"):
+vector's length matches the number of columns in the data frame (to avoid R
+repeating the shorter vector to match the length of the longer vector, called
+"vector recycling"):
 
 ```{r}
 life_expectancy <- gapminder[c(TRUE, TRUE, FALSE, FALSE, TRUE, FALSE)]
@@ -308,7 +310,7 @@ head(life_expectancy)
 ### Vector Recycling
 
 Vector recycling occurs when working with vectors of different length and it
-consist on repeating the elements of the shorter vector up to the lenght of
+consist of repeating the elements of the shorter vector up to the length of
 the larger one. For more information, check the book R for Data Science and its
 [chapter about vectors](https://r4ds.had.co.nz/vectors.html#scalars-and-recycling-rules).
 ::::::::