Better explanation

src/ch08-01-vectors.md

@@ -197,12 +197,13 @@ different types. Fortunately, the variants of an enum are defined under the
 same enum type, so when we need one type to represent elements of different
 types, we can define and use an enum!
 
+
 For example, say we want to get values from a row in a spreadsheet in which
 some of the columns in the row contain integers, some floating-point numbers,
 and some strings. We can define an enum whose variants will hold the different
 value types, and all the enum variants will be considered the same type: that
-of the enum. Then we can create a vector to hold that enum and so, ultimately,
-holds different types. We’ve demonstrated this in Listing 8-9.
+of the enum. Then we can create a vector to hold that enum. So, in effect, 
+that vector will hold different types. We’ve demonstrated this in Listing 8-9.
 
 ```rust
 {{#rustdoc_include ../listings/ch08-common-collections/listing-08-09/src/main.rs:here}}