tweaks on comments

pps-lab01-intellij-basic-example/src/lab01/example/model/AccountHolder.java

@@ -18,7 +18,7 @@ public AccountHolder(final String name, final String surname, final int id) {
     }
 
     /**
-     * Retrieve the name of the the person registered as possible account holder
+     * Retrieve the name of the person registered as possible account holder
      * @return the name of the holder
      */
     public String getName() {

pps-lab01-intellij-basic-example/src/lab01/example/model/BankAccount.java

@@ -27,10 +27,10 @@ public interface BankAccount {
     void deposit(int usrID, double amount);
 
     /**
-     * Allows the withdraw of an amount from the account, if the given usrID corresponds to the register holder ID
+     * Allows the withdrawal of an amount from the account, if the given usrID corresponds to the register holder ID
      * of the bank account. This ID acts like an "identification token" .
      *
-     * @param usrID the id of the user that wants do the withdraw
+     * @param usrID the id of the user that wants do the withdrawal
      * @param amount the amount of the withdraw
      */
     void withdraw(int usrID, double amount);

pps-lab01-intellij-basic-example/src/lab01/example/model/SimpleBankAccount.java

@@ -3,7 +3,7 @@
 /**
  * This class represent a particular instance of a BankAccount.
  * In particular, a Simple Bank Account allows always the deposit
- * while the withdraw is allowed only if the balance greater or equal the withdrawal amount
+ * while the withdrawal is allowed only if the balance greater or equal the withdrawal amount
  */
 public class SimpleBankAccount implements BankAccount {
 

pps-lab01-tdd/src/lab01/tdd/CircularList.java

@@ -21,14 +21,14 @@ public interface CircularList {
     int size();
 
     /**
-     * Check if the list is empty
+     * Checks if the list is empty
      * @return true if the list is empty, false otherwise
      */
     boolean isEmpty();
 
     /**
      * Provides the next element of the list. Example: having a list like {1,2,3} the first call of next() returns 1,
-     * the second call returns 2, then 3 is returned at the third call. Finally the fourth one return 1 again,
+     * the second call returns 2, then 3 is returned to the third call. Finally, the fourth one return 1 again,
      * because the circular mechanism.
      * @return the next element into the list
      */