fix README

bootjp · bootjp · commit eccfa9c80cd2 · 2022-11-10T20:40:29.000+09:00
diff --git a/README.md b/README.md
@@ -4,6 +4,7 @@
 middleware for path-based authentication of labstack echo. Best when using apikey for path.
 
 
+Much of this code is based on [key_auth.go in labstack/echo and its test code](https://github.com/labstack/echo/blob/01d7d01bbc1948cd308b2ae93a131654e6dba195/middleware/key_auth.go).
 
 ## Badges
 

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,7 @@`
`4`	`4`	`middleware for path-based authentication of labstack echo. Best when using apikey for path.`
`5`	`5`
`6`	`6`
	`7`	`+Much of this code is based on [key_auth.go in labstack/echo and its test code](https://github.com/labstack/echo/blob/01d7d01bbc1948cd308b2ae93a131654e6dba195/middleware/key_auth.go).`
`7`	`8`
`8`	`9`	`## Badges`
`9`	`10`