docs: Updated documentation on comments on DefaultCircuitBreaker args (#2135)

circuit-breaker/src/main/java/com/iluwatar/circuitbreaker/DefaultCircuitBreaker.java

@@ -45,10 +45,10 @@ public class DefaultCircuitBreaker implements CircuitBreaker {
    * Constructor to create an instance of Circuit Breaker.
    *
    * @param timeout          Timeout for the API request. Not necessary for this simple example
-   * @param failureThreshold Number of failures we receive from the depended service before changing
+   * @param failureThreshold Number of failures we receive from the depended on service before
-   *                         state to 'OPEN'
+   *                         changing state to 'OPEN'
-   * @param retryTimePeriod  Time period after which a new request is made to remote service for
+   * @param retryTimePeriod  Time, in nanoseconds, period after which a new request is made to
-   *                         status check.
+   *                         remote service for status check.
    */
   DefaultCircuitBreaker(RemoteService serviceToCall, long timeout, int failureThreshold,
       long retryTimePeriod) {

circuit-breaker/src/test/java/com/iluwatar/circuitbreaker/DefaultCircuitBreakerTest.java

@@ -26,7 +26,6 @@ package com.iluwatar.circuitbreaker;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import java.rmi.Remote;
 import org.junit.jupiter.api.Test;
 
 /**