Fix typos

retrospective.tex

@@ -188,7 +188,7 @@ research that the team will present to the client in the meeting.
 \subsection{Week 6}
 The highlight of this week was the first meeting with the client. This meeting
 was scheduled last-minute, but went very well. The team's plan and the client's
-expectations were not significantly different. To accomodate the team and
+expectations were not significantly different. To accommodate the team and
 the client's busy schedule, meetings were agreed to be bi-weekly, and made
 optional (to prevent wasted time in the event that no new information is
 required by the group). During this week, team members wanted to begin
@@ -208,7 +208,7 @@ in the second draft. The first draft was submitted on time and with no other iss
 
 Since the team was busy with the creation of the design (and the design document),
 the issue of funding was not significant at this time. The group member responsible
-for the hardware simulated some of the components of the initial design, in order
+for the hardware simulated some components of the initial design, in order
 to explore the implementation of the project. However, no significant insight
 was gained from this, with the exception of familiarity with the tooling.
 
@@ -224,11 +224,11 @@ of the document, which were promptly corrected. At this point, the document was
 complete with the exception of UML diagrams, which were scheduled to be inserted
 during the weekened. 
 Other than the medical emergency and the design document, no significant problems
-or progress occured this week.
+or progress occurred this week.
 
 \subsection{Week 9}
 This was a short week which ended in Thanksgiving, and no significant changes
-to the state of the project occured at this time. The team submitted all the
+to the state of the project occurred at this time. The team submitted all the
 generated documentation to the client / advisor, but did not receive a
 response during this week. No issues were encountered during this time.