diff --git a/src/comment.rs b/src/comment.rs
index 0f8118a408e..58a2b5e6aec 100644
--- a/src/comment.rs
+++ b/src/comment.rs
@@ -393,7 +393,7 @@ fn identify_comment(
 }
 
 /// Attributes for code blocks in rustdoc.
-/// See https://doc.rust-lang.org/rustdoc/print.html#attributes
+/// See <https://doc.rust-lang.org/rustdoc/print.html#attributes>.
 enum CodeBlockAttribute {
     Rust,
     Ignore,
diff --git a/src/macros.rs b/src/macros.rs
index 6c5e32716c0..c8ee590b6cc 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -1417,7 +1417,7 @@ impl MacroBranch {
     }
 }
 
-/// Format `lazy_static!` from https://crates.io/crates/lazy_static.
+/// Format `lazy_static!` from <https://crates.io/crates/lazy_static>.
 ///
 /// # Expected syntax
 ///
diff --git a/src/patterns.rs b/src/patterns.rs
index 062e9cef9bb..0501e76d277 100644
--- a/src/patterns.rs
+++ b/src/patterns.rs
@@ -22,11 +22,11 @@ use crate::utils::{format_mutability, mk_sp, mk_sp_lo_plus_one, rewrite_ident};
 /// Returns `true` if the given pattern is "short".
 /// A short pattern is defined by the following grammar:
 ///
-/// [small, ntp]:
+/// `[small, ntp]`:
 ///     - single token
 ///     - `&[single-line, ntp]`
 ///
-/// [small]:
+/// `[small]`:
 ///     - `[small, ntp]`
 ///     - unary tuple constructor `([small, ntp])`
 ///     - `&[small]`