minor grammatical & formatting (nnja#8)

newfoundfreedom · web-flow · commit 01fe43968b5f · 2020-10-04T14:59:51.000-07:00
diff --git a/website/content/02-introduction-to-python/080-advanced-datatypes/30-tuples.md b/website/content/02-introduction-to-python/080-advanced-datatypes/30-tuples.md
@@ -7,7 +7,7 @@ weight: 30
 
 Tuples are light-weight collections used to keep track of related, but different items. Tuples are **immutable**, meaning that once a tuple has been created, the items in it can't change.
 
-You might ask, why tuples when Python already has lists? Tuples are different in a few ways. While lists are generally used to store collections of similar items together, tuples, by contrast, can be used considered to contain a snapshot of data. They can't be continually changed, added or removed from like you could with a list.
+You might ask, why tuples when Python already has lists? Tuples are different in a few ways. While lists are generally used to store collections of similar items together, tuples, by contrast, can be used to contain a snapshot of data. They can't be continually changed, added or removed from like you could with a list.
 
 ### `tuple` cheat sheet
 
@@ -70,7 +70,7 @@ Let's say we have a spreadsheet of students, and we'd like to represent each row
 
 #### Access by index
 
-We can access items in the `tuple` by index, but we **can't change them.
+We can access items in the `tuple` by index, but we **can't change them**.
 
 ```python
 >>> student = ("Marcy", 8, "History", 3.5)
@@ -121,4 +121,4 @@ You can return tuples from functions, and use unpacking.
 200
 >>> value
 'OK'
-```
+```
