Fix typos

previous-exams/2022-midterm-code/src/main/scala/midterm/Part1.scala

@@ -6,7 +6,7 @@ import scala.collection.parallel.CollectionConverters.*
 // Questions 1-3
 
 // See tests in midterm.Part1Test.
-// Run with `sbt testOnly midterm.Part1Test`.
+// Run with `sbt "testOnly midterm.Part1Test"`.
 
 def parallel3[A, B, C](op1: => A, op2: => B, op3: => C): (A, B, C) =
   val res1 = task { op1 }

previous-exams/2022-midterm-code/src/main/scala/midterm/Part2.scala

@@ -3,7 +3,7 @@ package midterm
 // Questions 4-7
 
 // See tests in midterm.Part2Test.
-// Run with `sbt testOnly midterm.Part2Test`.
+// Run with `sbt "testOnly midterm.Part2Test"`.
 
 /*
 Answers to the exam questions:

previous-exams/2022-midterm-code/src/main/scala/midterm/Part3.scala

@@ -2,7 +2,7 @@ package midterm
 
 // Question 8
 
-// Run with `sbt runMain midterm.part3`
+// Run with `sbt "runMain midterm.part3"`
 
 @main def part3() =
   def thread(b: => Unit) =

previous-exams/2022-midterm-code/src/main/scala/midterm/Part4.scala

@@ -6,7 +6,7 @@ import instrumentation.*
 // Questions 9-15
 
 // See tests in midterm.Part4Test.
-// Run with `sbt testOnly midterm.Part4Test`.
+// Run with `sbt "testOnly midterm.Part4Test"`.
 
 class Node(
     // Globally unique identifier. Different for each instance.

previous-exams/2022-midterm-code/src/main/scala/midterm/Part6.scala

@@ -5,7 +5,7 @@ import midterm.instrumentation.Monitor
 // Question 21
 
 // See tests in midterm.Part6Test.
-// Run with `sbt testOnly midterm.Part6Test`.
+// Run with `sbt "testOnly midterm.Part6Test"`.
 
 class TicketsManager(totalTickets: Int) extends Monitor:
   var remainingTickets = totalTickets

previous-exams/2022-midterm-code/src/main/scala/midterm/Part7.scala

@@ -5,7 +5,7 @@ import midterm.instrumentation.Monitor
 // Questions 22-24
 
 // See tests in midterm.Part7Test.
-// Run with `sbt testOnly midterm.Part7Test`.
+// Run with `sbt "testOnly midterm.Part7Test"`.
 
 class NIC(private val _index: Int, private var _assigned: Boolean)
     extends Monitor:

previous-exams/2022-midterm-code/src/main/scala/midterm/Part8.scala

@@ -7,7 +7,7 @@ import scala.annotation.tailrec
 // Question 25
 
 // See tests in midterm.Part8Test.
-// Run with `sbt testOnly midterm.Part8Test`.
+// Run with `sbt "testOnly midterm.Part8Test"`.
 
 // Represent a social network where user can follow each other. Each user is
 // represented by an id that is an `Int`.