Small typo fixes.

client/src/org/compiere/grid/ed/VLocation.java

@@ -211,7 +211,7 @@ public class VLocation extends JComponent
 	}	//	isReadWrite
 
 	/**
-	 *	Set Mandatory (and back bolor)
+	 *	Set Mandatory (and back color)
 	 *  @param mandatory true if mandatory
 	 */
 	public void setMandatory (boolean mandatory)

client/src/org/compiere/grid/ed/VLocationDialog.java

@@ -424,7 +424,7 @@ public class VLocationDialog extends CDialog
 	 */
 	private String lookupPostcode(MCountry country, String postcode)
 	{
-		// Initialise the lookup class.
+		// Initialize the lookup class.
 		AddressLookupInterface pcLookup = null;
 		try {
 			AddressLookupInterface pcLookupTmp = (AddressLookupInterface) Class

client/src/org/compiere/grid/ed/VURL.java

@@ -141,7 +141,7 @@ public class VURL extends JComponent
 		m_button.setFocusable(false);
 		this.add(m_button, BorderLayout.EAST);
 
-		//	Prefereed Size
+		//	Preferred Size
 		this.setPreferredSize(this.getPreferredSize());		//	causes r/o to be the same length
 		//	ReadWrite
 		if (isReadOnly || !isUpdateable)
@@ -221,7 +221,7 @@ public class VURL extends JComponent
 
 	/**
 	 * 	Set ReadWrite
-	 * 	@param rw read rwite
+	 * 	@param rw read/write
 	 */
 	public void setReadWrite (boolean rw)
 	{