Update timeline

README.md

@@ -116,4 +116,5 @@ I submitted my thesis on May 30, 2021. It was examined on August 13,
 2021, where I received pass with minor corrections. The revised thesis
 was submitted on December 22, 2021. It was approved on March
 14, 2022. The final revision was submitted on March 23, 2022. I
-received my PhD award letter on March 24, 2022.
+received my PhD award letter on March 24, 2022. My graduation 
+ceremony took place in McEwan Hall on July 11, 2022.

thesis.tex

@@ -19736,7 +19736,7 @@ overhead, although, techniques such as just-in-time compilation can be
 utilised to reduce this overhead.
 
 Continuation passing style (CPS) is a canonical implementation
-strategy for continuations --- the word `continuation' even feature in
+strategy for continuations --- the word `continuation' even features in
 its name.
 %
 CPS is a particular idiomatic notation for programs, where every