Fixed comments

Author: TetyanaYahodska

compute/cloud-client/src/main/java/compute/reservation/ConsumeSpecificSharedReservation.java

@@ -44,7 +44,7 @@ public static void main(String[] args)
     // TODO(developer): Replace these variables before running the sample.
     // Project ID or project number of the Cloud project you want to use.
     String projectId = "YOUR_PROJECT_ID";
-    // Name of the zone in which you want to create the disk.
+    // Name of the zone in which you want to create the reservation.
     String zone = "us-central1-a";
     // Name of the reservation you want to create.
     String reservationName = "YOUR_RESERVATION_NAME";

compute/cloud-client/src/main/java/compute/reservation/CreateReservation.java

@@ -36,7 +36,7 @@ public static void main(String[] args)
     // TODO(developer): Replace these variables before running the sample.
     // Project ID or project number of the Cloud project you want to use.
     String projectId = "YOUR_PROJECT_ID";
-    // Name of the zone in which you want to create the disk.
+    // Name of the zone in which you want to create the reservation.
     String zone = "us-central1-a";
     // Name of the reservation you want to create.
     String reservationName = "YOUR_RESERVATION_NAME";