diff --git a/core/src/main/java/haveno/core/support/dispute/DisputeManager.java b/core/src/main/java/haveno/core/support/dispute/DisputeManager.java
index 1cdc7b02..a00573c6 100644
--- a/core/src/main/java/haveno/core/support/dispute/DisputeManager.java
+++ b/core/src/main/java/haveno/core/support/dispute/DisputeManager.java
@@ -181,7 +181,7 @@ public abstract class DisputeManager<T extends DisputeList<Dispute>> extends Sup
                 dispute.addAndPersistChatMessage(message);
                 requestPersistence();
             } else {
-                log.warn("We got a chatMessage what we have already stored. UId = {} TradeId = {}",
+                log.warn("We got a chatMessage that we have already stored. UId = {} TradeId = {}",
                         message.getUid(), message.getTradeId());
             }
         });
@@ -331,7 +331,7 @@ public abstract class DisputeManager<T extends DisputeList<Dispute>> extends Sup
 
         synchronized (disputeList) {
             if (disputeList.contains(dispute)) {
-                String msg = "We got a dispute msg what we have already stored. TradeId = " + dispute.getTradeId() + ", DisputeId = " + dispute.getId();
+                String msg = "We got a dispute msg that we have already stored. TradeId = " + dispute.getTradeId() + ", DisputeId = " + dispute.getId();
                 log.warn(msg);
                 faultHandler.handleFault(msg, new DisputeAlreadyOpenException());
                 return;
diff --git a/core/src/main/java/haveno/core/support/dispute/arbitration/ArbitrationManager.java b/core/src/main/java/haveno/core/support/dispute/arbitration/ArbitrationManager.java
index 1525661f..bb291796 100644
--- a/core/src/main/java/haveno/core/support/dispute/arbitration/ArbitrationManager.java
+++ b/core/src/main/java/haveno/core/support/dispute/arbitration/ArbitrationManager.java
@@ -237,7 +237,7 @@ public final class ArbitrationManager extends DisputeManager<ArbitrationDisputeL
                 if (!dispute.getChatMessages().contains(chatMessage)) {
                     dispute.addAndPersistChatMessage(chatMessage);
                 } else {
-                    log.warn("We got a dispute mail msg what we have already stored. TradeId = " + chatMessage.getTradeId());
+                    log.warn("We got a dispute mail msg that we have already stored. TradeId = " + chatMessage.getTradeId());
                 }
                 dispute.setIsClosed();
                 if (dispute.disputeResultProperty().get() != null) {
diff --git a/core/src/main/java/haveno/core/support/dispute/mediation/MediationManager.java b/core/src/main/java/haveno/core/support/dispute/mediation/MediationManager.java
index 708020c6..cf162931 100644
--- a/core/src/main/java/haveno/core/support/dispute/mediation/MediationManager.java
+++ b/core/src/main/java/haveno/core/support/dispute/mediation/MediationManager.java
@@ -177,7 +177,7 @@ public final class MediationManager extends DisputeManager<MediationDisputeList>
         if (!dispute.getChatMessages().contains(chatMessage)) {
             dispute.addAndPersistChatMessage(chatMessage);
         } else {
-            log.warn("We got a dispute mail msg what we have already stored. TradeId = " + chatMessage.getTradeId());
+            log.warn("We got a dispute mail msg that we have already stored. TradeId = " + chatMessage.getTradeId());
         }
         dispute.setIsClosed();
 
diff --git a/core/src/main/java/haveno/core/support/dispute/refund/RefundManager.java b/core/src/main/java/haveno/core/support/dispute/refund/RefundManager.java
index eebbd337..dc3ea2f8 100644
--- a/core/src/main/java/haveno/core/support/dispute/refund/RefundManager.java
+++ b/core/src/main/java/haveno/core/support/dispute/refund/RefundManager.java
@@ -176,7 +176,7 @@ public final class RefundManager extends DisputeManager<RefundDisputeList> {
         if (!dispute.getChatMessages().contains(chatMessage)) {
             dispute.addAndPersistChatMessage(chatMessage);
         } else {
-            log.warn("We got a dispute mail msg what we have already stored. TradeId = " + chatMessage.getTradeId());
+            log.warn("We got a dispute mail msg that we have already stored. TradeId = " + chatMessage.getTradeId());
         }
         dispute.setIsClosed();