diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd5bc2c..330e026 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.9.1
+
+* Fix some documentation bugs.
+
 ## 1.9.0
 
 * Add a top-level `stronglyConnectedComponents()` function that returns the
diff --git a/lib/src/comparators.dart b/lib/src/comparators.dart
index 4995100..ca2b3c7 100644
--- a/lib/src/comparators.dart
+++ b/lib/src/comparators.dart
@@ -145,7 +145,7 @@
   return defaultResult.sign;
 }
 
-/// Compares strings [a] and [b] according to [natural sort ordering].
+/// Compares strings [a] and [b] according to [natural sort ordering][].
 ///
 /// A natural sort ordering is a lexical ordering where embedded
 /// numerals (digit sequences) are treated as a single unit and ordered by
@@ -175,7 +175,7 @@
 }
 
 /// Compares strings [a] and [b] according to lower-case
-/// [natural sort ordering].
+/// [natural sort ordering][].
 ///
 /// ASCII letters are converted to lower case before being compared, like
 /// for [compareAsciiLowerCase], then the result is compared like for
@@ -212,7 +212,7 @@
 }
 
 /// Compares strings [a] and [b] according to upper-case
-/// [natural sort ordering].
+/// [natural sort ordering][].
 ///
 /// ASCII letters are converted to upper case before being compared, like
 /// for [compareAsciiUpperCase], then the result is compared like for
diff --git a/pubspec.yaml b/pubspec.yaml
index f5c8f9f..eb9a3a2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: collection
-version: 1.9.0
+version: 1.9.1
 author: Dart Team <misc@dartlang.org>
 description: Collections and utilities functions and classes related to collections.
 homepage: https://www.github.com/dart-lang/collection