diff --git a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mTransportCoapResource.java b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mTransportCoapResource.java
index d3002d196b..4182a5ecf5 100644
--- a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mTransportCoapResource.java
+++ b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mTransportCoapResource.java
@@ -151,7 +151,7 @@ public class LwM2mTransportCoapResource extends AbstractLwM2mTransportResource {
             }
             exchange.respond(response);
         } else {
-            log.trace("Ota packaged currentId: [{}], is not in this session.", currentId.toString());
+            log.trace("Ota packaged currentId: [{}] is not found.", currentId.toString());
         }
     }
 
diff --git a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/ota/DefaultLwM2MOtaUpdateService.java b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/ota/DefaultLwM2MOtaUpdateService.java
index 34ab841c74..0b253ecc20 100644
--- a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/ota/DefaultLwM2MOtaUpdateService.java
+++ b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/ota/DefaultLwM2MOtaUpdateService.java
@@ -400,7 +400,7 @@ public class DefaultLwM2MOtaUpdateService extends LwM2MExecutorAwareService impl
                     startUpdateUsingBinary(client, fwInfo);
                 }
             } else {
-                log.debug("[{}] failed to update client: [{}], previous update failed.", client.getEndpoint(), fwInfo);
+                log.debug("[{}] failed to process firmware update: [{}]. Previous update failed.", client.getEndpoint(), fwInfo);
                 logService.log(client, "Failed to process firmware update: " + fwInfo + ". Previous update failed.");
             }
         } catch (Exception e) {