punctuation

Author: karenetheridge

src/oas.md

@@ -523,7 +523,7 @@ For example, the template `/foo/{bar}` cannot match the URI path "/foo/alpha/bet
 
 See [URL Percent-Encoding](#url-percent-encoding) for additional guidance on escaping characters.
 
-The path templating is defined by the following [ABNF](https://tools.ietf.org/html/rfc5234) syntax
+The path templating is defined by the following [ABNF](https://tools.ietf.org/html/rfc5234) syntax.
 
 ```abnf
 path-template                  = "/" *( path-segment "/" ) [ path-segment ]