diff --git a/README.adoc b/README.adoc
index 7c6600d49..6aae0f6c4 100644
--- a/README.adoc
+++ b/README.adoc
@@ -302,8 +302,10 @@ Consider the following example of a Logback configuration file (named https://gi
 						{
 						"severity": "%level",
 						"service": "${springAppName:-}",
-						"trace": "%X{traceId:-}",
-						"span": "%X{spanId:-}",
+						"trace": "%X{X-B3-TraceId:-}",
+						"span": "%X{X-B3-SpanId:-}",
+						"parent": "%X{X-B3-ParentSpanId:-}",
+						"exportable": "%X{X-Span-Export:-}",
 						"baggage": "%X{key:-}",
 						"pid": "${PID:-}",
 						"thread": "%thread",
@@ -976,4 +978,4 @@ Go to `File` -> `Settings` -> `Other settings` -> `Checkstyle`. There click on t
 - `checkstyle.suppressions.file` - default suppressions. Please point it to the Spring Cloud Build's, `spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml` file either in your cloned repo or via the `https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml` URL.
 - `checkstyle.additional.suppressions.file` - this variable corresponds to suppressions in your local project. E.g. you're working on `spring-cloud-contract`. Then point to the `project-root/src/checkstyle/checkstyle-suppressions.xml` folder. Example for `spring-cloud-contract` would be: `/home/username/spring-cloud-contract/src/checkstyle/checkstyle-suppressions.xml`.
 
-IMPORTANT: Remember to set the `Scan Scope` to `All sources` since we apply checkstyle rules for production and test sources.
+IMPORTANT: Remember to set the `Scan Scope` to `All sources` since we apply checkstyle rules for production and test sources.
\ No newline at end of file