diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
index f25d8c642a8..58d6e07de8d 100644
--- a/library/core/src/str/mod.rs
+++ b/library/core/src/str/mod.rs
@@ -212,7 +212,7 @@ pub const fn is_char_boundary(&self, index: usize) -> bool {
         }
     }
 
-    /// Finds the closest `x` not exceeding `index` where `is_char_boundary(x)` is `true`.
+    /// Finds the closest `x` not exceeding `index` where [`is_char_boundary(x)`] is `true`.
     ///
     /// This method can help you truncate a string so that it's still valid UTF-8, but doesn't
     /// exceed a given number of bytes. Note that this is done purely at the character level
@@ -220,6 +220,8 @@ pub const fn is_char_boundary(&self, index: usize) -> bool {
     /// split. For example, the emoji 🧑‍🔬 (scientist) could be split so that the string only
     /// includes 🧑 (person) instead.
     ///
+    /// [`is_char_boundary(x)`]: Self::is_char_boundary
+    ///
     /// # Examples
     ///
     /// ```
@@ -248,7 +250,7 @@ pub fn floor_char_boundary(&self, index: usize) -> usize {
         }
     }
 
-    /// Finds the closest `x` not below `index` where `is_char_boundary(x)` is `true`.
+    /// Finds the closest `x` not below `index` where [`is_char_boundary(x)`] is `true`.
     ///
     /// If `index` is greater than the length of the string, this returns the length of the string.
     ///
@@ -256,7 +258,7 @@ pub fn floor_char_boundary(&self, index: usize) -> usize {
     /// for more details.
     ///
     /// [`floor_char_boundary`]: str::floor_char_boundary
-    ///
+    /// [`is_char_boundary(x)`]: Self::is_char_boundary
     ///
     /// # Examples
     ///
@@ -2192,7 +2194,7 @@ pub fn trim_start_matches<P: Pattern>(&self, pat: P) -> &str {
     /// Returns a string slice with the prefix removed.
     ///
     /// If the string starts with the pattern `prefix`, returns the substring after the prefix,
-    /// wrapped in `Some`. Unlike `trim_start_matches`, this method removes the prefix exactly once.
+    /// wrapped in `Some`. Unlike [`trim_start_matches`], this method removes the prefix exactly once.
     ///
     /// If the string does not start with `prefix`, returns `None`.
     ///
@@ -2201,6 +2203,7 @@ pub fn trim_start_matches<P: Pattern>(&self, pat: P) -> &str {
     ///
     /// [`char`]: prim@char
     /// [pattern]: self::pattern
+    /// [`trim_start_matches`]: Self::trim_start_matches
     ///
     /// # Examples
     ///
@@ -2219,7 +2222,7 @@ pub fn strip_prefix<P: Pattern>(&self, prefix: P) -> Option<&str> {
     /// Returns a string slice with the suffix removed.
     ///
     /// If the string ends with the pattern `suffix`, returns the substring before the suffix,
-    /// wrapped in `Some`.  Unlike `trim_end_matches`, this method removes the suffix exactly once.
+    /// wrapped in `Some`.  Unlike [`trim_end_matches`], this method removes the suffix exactly once.
     ///
     /// If the string does not end with `suffix`, returns `None`.
     ///
@@ -2228,6 +2231,7 @@ pub fn strip_prefix<P: Pattern>(&self, prefix: P) -> Option<&str> {
     ///
     /// [`char`]: prim@char
     /// [pattern]: self::pattern
+    /// [`trim_end_matches`]: Self::trim_end_matches
     ///
     /// # Examples
     ///