diff --git a/docs/install/upgrade.md b/docs/install/upgrade.md
index e1b8295d03..d564286912 100644
--- a/docs/install/upgrade.md
+++ b/docs/install/upgrade.md
@@ -45,8 +45,8 @@ So, copying `notebook` and `conf` directory should be enough.
    bin/zeppelin-daemon.sh start
    ```
 
-# Migration Guide
+## Migration Guide
 
-## Upgrading From Zeppelin 0.6 to 0.7
+### Upgrading from Zeppelin 0.6 to 0.7
 
- - From 0.7, we don't use ZEPPELIN_JAVA_OPTS as default value of ZEPPELIN_INTP_JAVA_OPTS and also the same for ZEPPELIN_MEM/ZEPPELIN_INTP_MEM. If user want to configure the jvm opts of interpreter process, please set ZEPPELIN_INTP_JAVA_OPTS and ZEPPELIN_INTP_MEM explicitly.
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+ - From 0.7, we don't use `ZEPPELIN_JAVA_OPTS` as default value of `ZEPPELIN_INTP_JAVA_OPTS` and also the same for `ZEPPELIN_MEM`/`ZEPPELIN_INTP_MEM`. If user want to configure the jvm opts of interpreter process, please set `ZEPPELIN_INTP_JAVA_OPTS` and `ZEPPELIN_INTP_MEM` explicitly.
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