Fix some "`" code markup

src/contact.rs

@@ -60,7 +60,7 @@ pub struct Contact {
     /// to access this field.
     authname: String,
 
-    /// E-Mail-Address of the contact. It is recommended to use `Contact::get_addr`` to access this field.
+    /// E-Mail-Address of the contact. It is recommended to use `Contact::get_addr` to access this field.
     addr: String,
 
     /// Blocked state. Use dc_contact_is_blocked to access this field.

src/imap/mod.rs

@@ -598,7 +598,7 @@ impl Imap {
 
         let mut list = if let Some(ref mut session) = &mut *self.session.lock().await {
             // fetch messages with larger UID than the last one seen
-            // (`UID FETCH lastseenuid+1:*)`, see RFC 4549
+            // `(UID FETCH lastseenuid+1:*)`, see RFC 4549
             let set = format!("{}:*", last_seen_uid + 1);
             match session.uid_fetch(set, PREFETCH_FLAGS).await {
                 Ok(list) => list,