Update README.md

README.md

@@ -26,7 +26,9 @@ s := &Server{
 }
 ```
 
-Convert it to a `map[string]interface{}`
+#### ToMap()
+
+Convert to a `map[string]interface{}`
 
 ```go
 m, err := structure.ToMap(s)
@@ -38,6 +40,8 @@ if err != nil {
 fmt.Printf("%#v", m)
 ```
 
+#### ToSlice()
+
 Convert to a `[]interface{}`. Slice values are **sorted** by default according
 to the field names.
 
@@ -51,6 +55,8 @@ if err != nil {
 fmt.Printf("%#v", m)
 ```
 
+#### IsStruct()
+
 Check if it's a struct or a pointer to struct
 
 ```go