diff --git a/src/requests/has_payload.rs b/src/requests/has_payload.rs
index 6c0c1abf..3a1135de 100644
--- a/src/requests/has_payload.rs
+++ b/src/requests/has_payload.rs
@@ -22,7 +22,7 @@ pub trait HasPayload
 //   we wanted to use As{Mut,Ref} here, but they doesn't work
 //   because of https://github.com/rust-lang/rust/issues/77010
 {
-    /// A type of the payload contained.
+    /// The type of the payload contained.
     type Payload: Payload;
 
     /// Gain mutable access to the underlying payload.
diff --git a/src/requests/payload.rs b/src/requests/payload.rs
index 8b885e96..34fa3d4b 100644
--- a/src/requests/payload.rs
+++ b/src/requests/payload.rs
@@ -3,11 +3,11 @@
 /// Simply speaking, structures implementing this trait represent arguments of
 /// a Telegram bot API method.
 ///
-/// Also, this trait provides some additional information needed for sending a
+/// Also, this trait provides some additional information needed to send a
 /// request to Telegram.
 #[cfg_attr(all(docsrs, feature = "nightly"), doc(spotlight))]
 pub trait Payload {
-    /// A return type of a Telegram method.
+    /// The return type of a Telegram method.
     ///
     /// Note: it should not include `Result` wrappers (e.g. it should be simply
     /// [`Message`], [`True`] or something else).
diff --git a/src/requests/request.rs b/src/requests/request.rs
index 36f97976..a1450837 100644
--- a/src/requests/request.rs
+++ b/src/requests/request.rs
@@ -23,10 +23,10 @@ pub trait Request: HasPayload {
      * use it before it's integrated in async/await
      */
 
-    /// A type of an error that may happen while sending a request to Telegram.
+    /// The type of an error that may happen while sending a request to Telegram.
     type Err: std::error::Error + Send;
 
-    /// A type of the future returned by the [`send`](Request::send) method.
+    /// The type of the future returned by the [`send`](Request::send) method.
     type Send: Future<Output = Result<Output<Self>, Self::Err>> + Send;
 
     /// A type of the future returned by the [`send_ref`](Request::send_ref)