diff --git a/node-api/src/test/java/net/corda/nodeapi/internal/serialization/amqp/ErrorMessageTests.java b/node-api/src/test/java/net/corda/nodeapi/internal/serialization/amqp/ErrorMessageTests.java
index 2df95a808d..5e98cf9b82 100644
--- a/node-api/src/test/java/net/corda/nodeapi/internal/serialization/amqp/ErrorMessageTests.java
+++ b/node-api/src/test/java/net/corda/nodeapi/internal/serialization/amqp/ErrorMessageTests.java
@@ -10,7 +10,7 @@ public class ErrorMessageTests {
     private String errMsg(String property, String testname) {
         return "Property '"
                 + property
-                + "' or it's getter is non public, this renders class 'class "
+                + "' or its getter is non public, this renders class 'class "
                 + testname
                 + "$C' unserializable -> class "
                 + testname
diff --git a/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/ErrorMessagesTests.kt b/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/ErrorMessagesTests.kt
index 775e5c3405..15f543da0d 100644
--- a/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/ErrorMessagesTests.kt
+++ b/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/ErrorMessagesTests.kt
@@ -10,7 +10,7 @@ class ErrorMessagesTests {
     }
 
     private fun errMsg(property:String, testname: String) =
-            "Property '$property' or it's getter is non public, this renders class 'class $testname\$C' unserializable -> class $testname\$C"
+            "Property '$property' or its getter is non public, this renders class 'class $testname\$C' unserializable -> class $testname\$C"
 
     @Test
     fun privateProperty() {