fix bearerinjector secrets key docs (#1674)

Signed-off-by: Arpad Ryszka <[email protected]>

docs/reference/filters.md

@@ -2142,8 +2142,8 @@ This filter should be used as an [egress](egress.md) only feature.
 Example:
 
 ```
-egress1: Method("POST") && Host("api.example.com") -> bearerinjector("write-token") -> "https://api.example.com/shoes";
-egress2: Method("GET") && Host("api.example.com") -> bearerinjector("read-token") -> "https://api.example.com/shoes";
+egress1: Method("POST") && Host("api.example.com") -> bearerinjector("/tmp/secrets/write-token") -> "https://api.example.com/shoes";
+egress2: Method("GET") && Host("api.example.com") -> bearerinjector("/tmp/secrets/read-token") -> "https://api.example.com/shoes";
 ```
 
 To integrate with the `bearerinjector` filter you need to run skipper

secrets/file.go

@@ -76,7 +76,7 @@ func (sp *SecretPaths) updateSecret(s string, dat []byte) {
 }
 
 // Add adds a file or directory to find secrets in all files
-// found. The basename of the file will be the key to get the
+// found. The path of the file will be the key to get the
 // secret. Add is not synchronized and is not safe to call
 // concurrently. Add has a side effect of lazily init a goroutine to
 // start a single background refresher for the SecretPaths instance.