diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
index 604e317110c..c5a2a70c4f9 100644
--- a/library/core/src/str/mod.rs
+++ b/library/core/src/str/mod.rs
@@ -2252,9 +2252,9 @@ pub fn eq_ignore_ascii_case(&self, other: &str) -> bool {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new uppercased value without modifying the existing one, use
-    /// [`to_ascii_uppercase`].
+    /// [`to_ascii_uppercase()`].
     ///
-    /// [`to_ascii_uppercase`]: #method.to_ascii_uppercase
+    /// [`to_ascii_uppercase()`]: prim@str::to_ascii_uppercase()
     ///
     /// # Examples
     ///
@@ -2279,9 +2279,9 @@ pub fn make_ascii_uppercase(&mut self) {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new lowercased value without modifying the existing one, use
-    /// [`to_ascii_lowercase`].
+    /// [`to_ascii_lowercase()`].
     ///
-    /// [`to_ascii_lowercase`]: #method.to_ascii_lowercase
+    /// [`to_ascii_lowercase()`]: prim@str::to_ascii_lowercase()
     ///
     /// # Examples
     ///