diff --git a/electives/33120.md b/electives/33120.md
index d7c3029..61d409a 100644
--- a/electives/33120.md
+++ b/electives/33120.md
@@ -10,11 +10,11 @@ This class explores different scientific principles and ideas through the lens o
 
 ## Sci-Fi Homework Problems
 
-There are five homework problems which require completing some calculations for hypothetical situations similar to those shown in the clips from lecture. Many of these problems have samples in the textbook which follow a similar process, so the bulk of the work is determining what assumptions you are making and finding the quantitative values to use.
+There are five homework problems that require completing some calculations for hypothetical situations similar to those shown in the clips from lecture. Many of these problems have samples in the textbook which follow a similar process, so the bulk of the work is determining what assumptions you are making and finding the quantitative values to use.
 
 ## Quizzes
 
-Variable length Canvas quizzes are assigned after each major topic. They consist of multiple choice questions that are fairly straightforward if you attend lecture regularly.
+Variable-length Canvas quizzes are assigned after each major topic. They consist of multiple-choice questions that are fairly straightforward if you attend lecture regularly.
 
 ## Exploration papers
 
@@ -30,11 +30,11 @@ You will conduct two Field Projects in groups of three. For the project, you go
 
 ## Exams
 
-The Final Exam consist of a Canvas quiz that is similar to the quizzes given after each major topic.
+The Final Exam consists of a Canvas quiz that is similar to the quizzes given after each major topic.
 
 ## Extra Credit
 
-There are ocassionally extra credit assignments announced during lecture that are very generous in the number of points they are worth. The extra credit assignments usually involve looking up a scientific phenomenon in current events and emailing what you find to the professor. 
+There are occasionally extra credit assignments announced during lecture that are very generous in the number of points they are worth. The extra credit assignments usually involve looking up a scientific phenomenon in current events and emailing what you find to the professor. 
 
 ## Resources