Update vm_semantics.md

liangdzou · web-flow · commit 1ddaa89028f9 · 2018-11-21T12:08:19.000+08:00
add the link for the Sentinel contract.
diff --git a/vm_semantics.md b/vm_semantics.md
@@ -10,4 +10,4 @@ If the signature is present, it must be executed as an ewasm contract, otherwise
 
 2. If there's no native EVM1 support in the client, it can use the [EVM Transcompiler](./evm_transcompiler.md) to translate the code.
 
-3. When deploying an ewasm contract, the bytecode must be verified and annotated by the *Sentinel Contract*.
+3. When deploying an ewasm contract, the bytecode must be verified and annotated by the [*Sentinel Contract*](./sentinel.md).

Original file line number	Diff line number	Diff line change
`@@ -10,4 +10,4 @@ If the signature is present, it must be executed as an ewasm contract, otherwise`
`10`	`10`
`11`	`11`	`2. If there's no native EVM1 support in the client, it can use the [EVM Transcompiler](./evm_transcompiler.md) to translate the code.`
`12`	`12`
`13`		`-3. When deploying an ewasm contract, the bytecode must be verified and annotated by the Sentinel Contract.`
	`13`	`+3. When deploying an ewasm contract, the bytecode must be verified and annotated by the [Sentinel Contract](./sentinel.md).`