Update spring-transaction.md

1autodidact · web-flow · commit 3ac727a98aed · 2022-03-10T22:52:53.000+08:00
diff --git a/docs/system-design/framework/spring/spring-transaction.md b/docs/system-design/framework/spring/spring-transaction.md
@@ -417,6 +417,7 @@ Class B {
        //do something
     }
 }
+```
 
 **4.`TransactionDefinition.PROPAGATION_MANDATORY`**
 

Original file line number	Diff line number	Diff line change
`@@ -417,6 +417,7 @@ Class B {`
`417`	`417`	`//do something`
`418`	`418`	`}`
`419`	`419`	`}`
	`420`	+```
`420`	`421`
`421`	`422`	4.`TransactionDefinition.PROPAGATION_MANDATORY`
`422`	`423`