1 files changed, 11 insertions, 7 deletions
diff --git a/scala.html.markdown b/scala.html.markdown
index a82983a5..745605ed 100644
--- a/scala.html.markdown
+++ b/scala.html.markdown
@@ -48,7 +48,7 @@ println(10)
 // Printing, without forcing a new line on next print
 print("Hello world")
 print(10)
-// Hello world!10
+// Hello world10
 
 // Declaring values is done using either var or val.
 // val declarations are immutable, whereas vars are mutable. Immutability is
@@ -237,7 +237,7 @@ r foreach println
 
 (5 to 1 by -1) foreach (println)
 
-// A while loops
+// A while loop
 var i = 0
 while (i < 10) { println("i " + i); i += 1 }
 
@@ -245,17 +245,18 @@ while (i < 10) { println("i " + i); i += 1 }   // Yes, again. What happened? Why
 
 i    // Show the value of i. Note that while is a loop in the classical sense -
      // it executes sequentially while changing the loop variable. while is very
-     // fast, faster that Java loops, but using the combinators and
-     // comprehensions above is easier to understand and parallelize
+     // fast, but using the combinators and comprehensions above is easier
+     // to understand and parallelize
 
-// A do while loop
+// A do-while loop
 i = 0
 do {
   println("i is still less than 10")
   i += 1
 } while (i < 10)
 
-// Tail recursion is an idiomatic way of doing recurring things in Scala.
+// Recursion is the idiomatic way of repeating an action in Scala (as in most
+// other functional languages).
 // Recursive functions need an explicit return type, the compiler can't infer it.
 // Here it's Unit.
 def showNumbersInRange(a: Int, b: Int): Unit = {
@@ -273,7 +274,7 @@ val x = 10
 if (x == 1) println("yeah")
 if (x == 10) println("yeah")
 if (x == 11) println("yeah")
-if (x == 11) println ("yeah") else println("nay")
+if (x == 11) println("yeah") else println("nay")
 
 println(if (x == 10) "yeah" else "nope")
 val text = if (x == 10) "yeah" else "nope"
@@ -621,6 +622,9 @@ import scala.collection.immutable.{List => ImmutableList}
 // Import all classes, except some. The following excludes Map and Set:
 import scala.collection.immutable.{Map => _, Set => _, _}
 
+// Java classes can also be imported. Scala syntax can be used
+import java.swing.{JFrame, JWindow}
+
 // Your programs entry point is defined in an scala file using an object, with a
 // single method, main:
 object Application {