diff --git a/lib/src/checkout.dart b/lib/src/checkout.dart
index 74d0a48..e3b8d8f 100644
--- a/lib/src/checkout.dart
+++ b/lib/src/checkout.dart
@@ -22,7 +22,8 @@ class Checkout {
   ///
   /// [directory] is optional alternative checkout path to workdir.
   ///
-  /// [paths] is optional list of files to checkout.
+  /// [paths] is optional list of files to checkout (by default all paths are
+  /// processed).
   ///
   /// Throws a [LibGit2Error] if error occured.
   static void head({
@@ -51,7 +52,8 @@ class Checkout {
   ///
   /// [directory] is optional alternative checkout path to workdir.
   ///
-  /// [paths] is optional list of files to checkout.
+  /// [paths] is optional list of files to checkout (by default all paths are
+  /// processed).
   ///
   /// Throws a [LibGit2Error] if error occured.
   static void index({
@@ -84,7 +86,8 @@ class Checkout {
   ///
   /// [directory] is optional alternative checkout path to workdir.
   ///
-  /// [paths] is optional list of files to checkout.
+  /// [paths] is optional list of files to checkout (by default all paths are
+  /// processed).
   ///
   /// Throws a [LibGit2Error] if error occured.
   static void reference({
@@ -129,7 +132,8 @@ class Checkout {
   ///
   /// [directory] is optional alternative checkout path to workdir.
   ///
-  /// [paths] is optional list of files to checkout.
+  /// [paths] is optional list of files to checkout (by default all paths are
+  /// processed).
   ///
   /// Throws a [LibGit2Error] if error occured.
   static void commit({