diff --git a/README.md b/README.md
index 8b7b8a3..6160ab5 100644
--- a/README.md
+++ b/README.md
@@ -96,8 +96,8 @@ impl Indexable for MyStruct {
 ```
 
 Don't forget that you may make numbers, numeric identifiers, enums, and other
-types in your `struct` (or other complex type) indexable by converting them to a
-`String` and including them in the returned `Vec<String>`.
+types in your `struct` (or other complex types) indexable by converting them to
+a `String` and including them in the returned `Vec<String>`.
 
 ## 2. Indexing a Collection
 
diff --git a/src/simple/indexable.rs b/src/simple/indexable.rs
index e311b6c..b561b6f 100644
--- a/src/simple/indexable.rs
+++ b/src/simple/indexable.rs
@@ -30,7 +30,7 @@
 /// ```
 ///
 /// * Note: Don't forget that you may make numbers, numeric identifiers, enums,
-/// and other types in your `struct` (or other complex type) indexable by
+/// and other types in your `struct` (or other complex types) indexable by
 /// converting them to a `String` and including them in the returned
 /// `Vec<String>`.
 ///