diff --git a/src/headfirst/designpatterns/proxy/virtualproxy/ImageProxyTestDrive.java b/src/headfirst/designpatterns/proxy/virtualproxy/ImageProxyTestDrive.java
index 89957a27..81bb68a4 100755
--- a/src/headfirst/designpatterns/proxy/virtualproxy/ImageProxyTestDrive.java
+++ b/src/headfirst/designpatterns/proxy/virtualproxy/ImageProxyTestDrive.java
@@ -19,7 +19,7 @@ public ImageProxyTestDrive() throws Exception {
 		albums.put("Buddha Bar","http://images.amazon.com/images/P/B00009XBYK.01.LZZZZZZZ.jpg");
 		albums.put("Ima","http://images.amazon.com/images/P/B000005IRM.01.LZZZZZZZ.jpg");
 		albums.put("Karma","http://images.amazon.com/images/P/B000005DCB.01.LZZZZZZZ.gif");
-		albums.put("MCMXC A.D.","http://images.amazon.com/images/P/B000002URV.01.LZZZZZZZ.jpg");
+		albums.put("MCMXC a.D.","http://images.amazon.com/images/P/B000002URV.01.LZZZZZZZ.jpg");
 		albums.put("Northern Exposure","http://images.amazon.com/images/P/B000003SFN.01.LZZZZZZZ.jpg");
 		albums.put("Selected Ambient Works, Vol. 2","http://images.amazon.com/images/P/B000002MNZ.01.LZZZZZZZ.jpg");
 
diff --git a/src/headfirst/designpatterns/state/gumballstate/GumballMachine.java b/src/headfirst/designpatterns/state/gumballstate/GumballMachine.java
index 4b41406a..9650c29b 100755
--- a/src/headfirst/designpatterns/state/gumballstate/GumballMachine.java
+++ b/src/headfirst/designpatterns/state/gumballstate/GumballMachine.java
@@ -39,7 +39,7 @@ public void turnCrank() {
  
 	void releaseBall() {
 		System.out.println("A gumball comes rolling out the slot...");
-		if (count != 0) {
+		if (count > 0) {
 			count = count - 1;
 		}
 	}
@@ -50,7 +50,7 @@ int getCount() {
  
 	void refill(int count) {
 		this.count += count;
-		System.out.println("The gumball machine was just refilled; it's new count is: " + this.count);
+		System.out.println("The gumball machine was just refilled; its new count is: " + this.count);
 		state.refill();
 	}
 
diff --git a/src/headfirst/designpatterns/state/gumballstatewinner/GumballMachine.java b/src/headfirst/designpatterns/state/gumballstatewinner/GumballMachine.java
index 94b1463c..499027cb 100755
--- a/src/headfirst/designpatterns/state/gumballstatewinner/GumballMachine.java
+++ b/src/headfirst/designpatterns/state/gumballstatewinner/GumballMachine.java
@@ -43,7 +43,7 @@ void setState(State state) {
  
 	void releaseBall() {
 		System.out.println("A gumball comes rolling out the slot...");
-		if (count != 0) {
+		if (count > 0) {
 			count = count - 1;
 		}
 	}
@@ -54,7 +54,7 @@ int getCount() {
  
 	void refill(int count) {
 		this.count += count;
-		System.out.println("The gumball machine was just refilled; it's new count is: " + this.count);
+		System.out.println("The gumball machine was just refilled; its new count is: " + this.count);
 		state.refill();
 	}