diff --git a/drivers/optical/src/main/java/org/onosproject/driver/optical/protection/OplinkSwitchProtection.java b/drivers/optical/src/main/java/org/onosproject/driver/optical/protection/OplinkSwitchProtection.java
index 250c155..9ea408b 100644
--- a/drivers/optical/src/main/java/org/onosproject/driver/optical/protection/OplinkSwitchProtection.java
+++ b/drivers/optical/src/main/java/org/onosproject/driver/optical/protection/OplinkSwitchProtection.java
@@ -92,7 +92,7 @@
         //add flow from client port to virtual port. This set device in auto switch mode
         addFlow(PortNumber.portNumber(VIRTUAL_PORT));
 
-        //add a virtual link bewteen two virtual ports of this device and peer
+        //add a virtual link between two virtual ports of this device and peer
         addLinkToPeer(configuration.peer());
 
         result.complete(new ConnectPoint(data().deviceId(), PortNumber.portNumber(VIRTUAL_PORT)));
@@ -118,7 +118,7 @@
         CompletableFuture result = new CompletableFuture<Boolean>();
 
         if (identifier.port().toLong() == VIRTUAL_PORT) {
-            //add a link bewteen two virtual ports of this device and peer
+            //add a link between two virtual ports of this device and peer
             removeLinkToPeer(getPeerId());
             deleteFlow();
             result.complete(true);
@@ -366,7 +366,7 @@
 
         for (Link l : links) {
             if (l.type() == Link.Type.VIRTUAL) {
-                // this devide is the destination and peer is the source.
+                // this device is the destination and peer is the source.
                 return l.src().deviceId();
             }
         }