diff --git a/flink/v1.13/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java b/flink/v1.13/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
index 24e23941f6d7..1997d8bafb75 100644
--- a/flink/v1.13/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
+++ b/flink/v1.13/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
@@ -491,7 +491,7 @@ static IcebergStreamWriter<RowData> createStreamWriter(Table table,
                                                          RowType flinkRowType,
                                                          List<Integer> equalityFieldIds,
                                                          boolean upsert) {
-    Preconditions.checkArgument(table != null, "Iceberg table should't be null");
+    Preconditions.checkArgument(table != null, "Iceberg table shouldn't be null");
     Map<String, String> props = table.properties();
     long targetFileSize = getTargetFileSizeBytes(props);
     FileFormat fileFormat = getFileFormat(props);
diff --git a/flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java b/flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
index 72f0580cf856..219857c364c0 100644
--- a/flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
+++ b/flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
@@ -514,7 +514,7 @@ static IcebergStreamWriter<RowData> createStreamWriter(Table table,
                                                          RowType flinkRowType,
                                                          List<Integer> equalityFieldIds,
                                                          boolean upsert) {
-    Preconditions.checkArgument(table != null, "Iceberg table should't be null");
+    Preconditions.checkArgument(table != null, "Iceberg table shouldn't be null");
     Map<String, String> props = table.properties();
     long targetFileSize = getTargetFileSizeBytes(props);
     FileFormat fileFormat = getFileFormat(props);
diff --git a/flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java b/flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
index 56fafab067d0..7b597e427bad 100644
--- a/flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
+++ b/flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
@@ -511,7 +511,7 @@ static IcebergStreamWriter<RowData> createStreamWriter(Table table,
                                                          FlinkWriteConf flinkWriteConf,
                                                          RowType flinkRowType,
                                                          List<Integer> equalityFieldIds) {
-    Preconditions.checkArgument(table != null, "Iceberg table should't be null");
+    Preconditions.checkArgument(table != null, "Iceberg table shouldn't be null");
 
     Table serializableTable = SerializableTable.copyOf(table);
     TaskWriterFactory<RowData> taskWriterFactory = new RowDataTaskWriterFactory(