diff --git a/README.md b/README.md
index ce86038..5c223b0 100644
--- a/README.md
+++ b/README.md
@@ -18,13 +18,13 @@ Please complete this checklist (turn [ ] into [X]) before you submit:
 - [x] I completed the above Submission Info
 - [x] I built the project in IntelliJ (Build > Build Project)
 - [x] I implemented the ClassHierarchyBuilder
-- [ ] I implemented the CallGraphBuilder
-- [ ] I implemented the CallGraphRenderer
-- [ ] I wrote the source code myself and did not look at the source code of my classmates
-- [ ] I manually checked that my implementation is correct by doing this:
-    - [ ] I studied the source code within test-input/pacman-src.jar
-    - [ ] I ran App to produce the dot file (in test-output/)
-    - [ ] I ran dot to turn the dot file in test-output into a PDF
-    - [ ] I manually verified that the PDF contains the correct call graph
-- [ ] I committed my changes (at least one commit, but possibly many)
-- [ ] I pushed my commits to GitHub
+- [x] I implemented the CallGraphBuilder
+- [x] I implemented the CallGraphRenderer
+- [x] I wrote the source code myself and did not look at the source code of my classmates
+- [x] I manually checked that my implementation is correct by doing this:
+    - [x] I studied the source code within test-input/pacman-src.jar
+    - [x] I ran App to produce the dot file (in test-output/)
+    - [x] I ran dot to turn the dot file in test-output into a PDF
+    - [x] I manually verified that the PDF contains the correct call graph
+- [x] I committed my changes (at least one commit, but possibly many)
+- [x] I pushed my commits to GitHub