[CALCITE-6256] Incorrect rendering of HTML on InnoDB adapter page

Close apache/calcite#3679
diff --git a/site/_docs/innodb_adapter.md b/site/_docs/innodb_adapter.md
index 58ef596..6d5c760 100644
--- a/site/_docs/innodb_adapter.md
+++ b/site/_docs/innodb_adapter.md
@@ -96,8 +96,11 @@
 {% endhighlight %}
 
 `sqlFilePath` is a list of DDL files, you can generate table
-definitions by executing `mysqldump -d -u<username> -p<password> -h
-<hostname> <dbname>` in command-line.
+definitions by executing `mysqldump` in command-line:
+
+{% highlight bash %}
+mysqldump -d -u<username> -p<password> -h <hostname> <dbname>
+{% endhighlight %}
 
 The file content of `/path/scott.sql` is as follows: