diff --git a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/annotation/SpanTagAnnotationHandlerTests.java b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/annotation/SpanTagAnnotationHandlerTests.java
index 20a64e1e5..4934f7125 100644
--- a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/annotation/SpanTagAnnotationHandlerTests.java
+++ b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/annotation/SpanTagAnnotationHandlerTests.java
@@ -69,12 +69,12 @@ public class SpanTagAnnotationHandlerTests {
 		if (annotation instanceof SpanTag) {
 			String resolvedValue = handler.resolveTagValue((SpanTag) annotation, "test");
 			
-			assertThat(resolvedValue).isEqualTo("4 characters");
+			assertThat(resolvedValue).isEqualTo("hello characters");
 		} else {
 			fail("Annotation was not SleuthSpanTag");
 		}
 	}
-	
+
 	@Test
 	public void shouldReturnArgumentToString() throws NoSuchMethodException, SecurityException {
 		Method method = AnnotationMockClass.class.getMethod("getAnnotationForArgumentToString", Long.class);
@@ -86,7 +86,7 @@ public class SpanTagAnnotationHandlerTests {
 			fail("Annotation was not SleuthSpanTag");
 		}
 	}
-	
+
 	protected class AnnotationMockClass {
 
 		// tag::resolver_bean[]
@@ -97,7 +97,7 @@ public class SpanTagAnnotationHandlerTests {
 
 		// tag::spel[]
 		@NewSpan
-		public void getAnnotationForTagValueExpression(@SpanTag(key = "test", expression = "length() + ' characters'") String test) {
+		public void getAnnotationForTagValueExpression(@SpanTag(key = "test", expression = "'hello' + ' characters'") String test) {
 		}
 		// end::spel[]