chore: adds missing quotes

Co-authored-by: Vladimír Gorej <[email protected]>

Author: baywet

src/oas.md

@@ -63,7 +63,7 @@ DIGIT               = %x30-39             ; 0-9
 HEXDIG              = DIGIT / "A" / "B" / "C" / "D" / "E" / "F"
 ```
 
-Here, all characters definitions are taken from [RFC 3986](https://tools.ietf.org/html/rfc3986). The path-template is directly derived from [RFC 3986, section 3.3](https://datatracker.ietf.org/doc/html/rfc3986#section-3.3).
+Here, all characters definitions are taken from [RFC 3986](https://tools.ietf.org/html/rfc3986). The `path-template` is directly derived from [RFC 3986, section 3.3](https://datatracker.ietf.org/doc/html/rfc3986#section-3.3).
 
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