DOCS: Corrected the IMAP URL grammar of the UIDVALIDITY parameter

docs/libcurl/curl_easy_setopt.3

@@ -751,7 +751,7 @@ user's inbox
 imap://user:password@mail.example.com/INBOX/;UID=1 - Selects the user's inbox
 and fetches message 1
 
-imap://user:password@mail.example.com/INBOX/;UID=2/;UIDVALIDITY=50 - Selects
+imap://user:password@mail.example.com/INBOX;UIDVALIDITY=50/;UID=2 - Selects
 the user's inbox, checks the UIDVALIDITY of the mailbox is 50 and fetches
 message 2 if it is