Added comments.

Author: ianbrandt

subprojects/kotlin-for-java-devs/src/main/kotlin/org/sdkotlin/intro/kotlin/_05_0_variables_and_types/VariablesAndTypesInKotlin.kt

@@ -3,7 +3,7 @@ package org.sdkotlin.intro.kotlin._05_0_variables_and_types
 // var's are mutable, val's are read only
 
 // Pascal notation is used: name first, then, optionally or as needed, the type
-// after a colon (Same as Scala, Swift, Go, Rust, etc.)
+// after a colon (Same as Pascal, Scala, Swift, Go, Rust, etc.)
 
 // Variables aren't defaulted, and must be initialized
 

subprojects/kotlin-for-java-devs/src/main/kotlin/org/sdkotlin/intro/kotlin/_07_equality/EqualityInKotlin.kt

@@ -8,6 +8,8 @@ fun main() {
 	// Equivalent to "=="
 	println("foo".equals("foo"))
 
+	// TODO: Research and explain why this prints "true"...
 	println("fo" + "o" === "foo")
+
 	println("foo" == "foo")
 }