update readme.

fujiwara · fujiwara · commit 6bdaf3037238 · 2017-08-09T15:14:27.000+09:00
msgp.Marshaler is allowed as data for Post()
diff --git a/README.md b/README.md
@@ -51,7 +51,7 @@ func main() {
 }
 ```
 
-`data` must be a value like `map[string]literal`, `map[string]interface{}` or `struct`. Logger refers tags `msg` or `codec` of each fields of structs.
+`data` must be a value like `map[string]literal`, `map[string]interface{}`, `struct` or [`msgp.Marshaler`](http://godoc.org/github.com/tinylib/msgp/msgp#Marshaler). Logger refers tags `msg` or `codec` of each fields of structs.
 
 ## Setting config values
 

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ func main() {`
`51`	`51`	`}`
`52`	`52`	```
`53`	`53`
`54`		-`data` must be a value like `map[string]literal`, `map[string]interface{}` or `struct`. Logger refers tags `msg` or `codec` of each fields of structs.
	`54`	+`data` must be a value like `map[string]literal`, `map[string]interface{}`, `struct` or [`msgp.Marshaler`](http://godoc.org/github.com/tinylib/msgp/msgp#Marshaler). Logger refers tags `msg` or `codec` of each fields of structs.
`55`	`55`
`56`	`56`	`## Setting config values`
`57`	`57`