diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1eacc015..3f83a4fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `CommandDescriptions::{new, global_description, username, username_from_me}`.
   - `teloxide::filter_command`.
   - `teloxide::dispatching::dialogue::enter`.
+- `BotCommands::parse` now accept `bot_username` as `&str`
 
 ### Added
 
diff --git a/Cargo.toml b/Cargo.toml
index 02aaf40e..5295cccd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,7 +67,7 @@ dptree = "0.3.0"
 
 # These lines are used only for development.
 teloxide-core = { git = "https://github.com/teloxide/teloxide-core", rev = "00165e6", default-features = false }
-teloxide-macros = { git = "https://github.com/teloxide/teloxide-macros", rev = "0e79c37", optional = true }
+teloxide-macros = { git = "https://github.com/teloxide/teloxide-macros", rev = "a2a79e29cb106a5d3052cf32a23e698db859cc2a", optional = true }
 # dptree = { git = "https://github.com/teloxide/dptree", rev = "df578e4" }
 
 tokio = { version = "1.8", features = ["fs"] }
diff --git a/README.md b/README.md
index f03246ad..ab74b6d7 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ async fn main() {
 }
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "These commands are supported:")]
+#[command(rename_rule = "lowercase", description = "These commands are supported:")]
 enum Command {
     #[command(description = "display this text.")]
     Help,
diff --git a/examples/admin.rs b/examples/admin.rs
index 0a810d31..4be9a543 100644
--- a/examples/admin.rs
+++ b/examples/admin.rs
@@ -14,7 +14,7 @@ use teloxide::{prelude::*, types::ChatPermissions, utils::command::BotCommands};
 // %PREFIX%%COMMAND% - %DESCRIPTION%
 #[derive(BotCommands, Clone)]
 #[command(
-    rename = "lowercase",
+    rename_rule = "lowercase",
     description = "Use commands in format /%command% %num% %unit%",
     parse_with = "split"
 )]
diff --git a/examples/buttons.rs b/examples/buttons.rs
index 84b12ae1..ffb9846b 100644
--- a/examples/buttons.rs
+++ b/examples/buttons.rs
@@ -10,7 +10,7 @@ use teloxide::{
 };
 
 #[derive(BotCommands)]
-#[command(rename = "lowercase", description = "These commands are supported:")]
+#[command(rename_rule = "lowercase", description = "These commands are supported:")]
 enum Command {
     #[command(description = "Display this text")]
     Help,
diff --git a/examples/command.rs b/examples/command.rs
index 901d3866..00f44315 100644
--- a/examples/command.rs
+++ b/examples/command.rs
@@ -11,7 +11,7 @@ async fn main() {
 }
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "These commands are supported:")]
+#[command(rename_rule = "lowercase", description = "These commands are supported:")]
 enum Command {
     #[command(description = "display this text.")]
     Help,
diff --git a/examples/db_remember.rs b/examples/db_remember.rs
index c102cbe2..de09db0d 100644
--- a/examples/db_remember.rs
+++ b/examples/db_remember.rs
@@ -22,7 +22,7 @@ pub enum State {
 }
 
 #[derive(Clone, BotCommands)]
-#[command(rename = "lowercase", description = "These commands are supported:")]
+#[command(rename_rule = "lowercase", description = "These commands are supported:")]
 pub enum Command {
     #[command(description = "get your number.")]
     Get,
diff --git a/examples/dispatching_features.rs b/examples/dispatching_features.rs
index e8ed5e16..983f0002 100644
--- a/examples/dispatching_features.rs
+++ b/examples/dispatching_features.rs
@@ -96,7 +96,7 @@ struct ConfigParameters {
 }
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "Simple commands")]
+#[command(rename_rule = "lowercase", description = "Simple commands")]
 enum SimpleCommand {
     #[command(description = "shows this message.")]
     Help,
@@ -107,7 +107,7 @@ enum SimpleCommand {
 }
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "Maintainer commands")]
+#[command(rename_rule = "lowercase", description = "Maintainer commands")]
 enum MaintainerCommands {
     #[command(parse_with = "split", description = "generate a number within range")]
     Rand { from: u64, to: u64 },
diff --git a/examples/purchase.rs b/examples/purchase.rs
index 89ec5654..daf27cdd 100644
--- a/examples/purchase.rs
+++ b/examples/purchase.rs
@@ -33,7 +33,7 @@ pub enum State {
 }
 
 #[derive(BotCommands, Clone)]
-#[command(rename = "lowercase", description = "These commands are supported:")]
+#[command(rename_rule = "lowercase", description = "These commands are supported:")]
 enum Command {
     #[command(description = "display this text.")]
     Help,
diff --git a/src/dispatching.rs b/src/dispatching.rs
index c19b2b93..f22c99c1 100644
--- a/src/dispatching.rs
+++ b/src/dispatching.rs
@@ -25,7 +25,7 @@
 //! ```no_run
 //! # use teloxide::utils::command::BotCommands;
 //! #[derive(BotCommands, Clone)]
-//! #[command(rename = "lowercase", description = "These commands are supported:")]
+//! #[command(rename_rule = "lowercase", description = "These commands are supported:")]
 //! enum Command {
 //!     #[command(description = "display this text.")]
 //!     Help,
diff --git a/src/dispatching/handler_description.rs b/src/dispatching/handler_description.rs
index 3ed2f621..92bbda38 100644
--- a/src/dispatching/handler_description.rs
+++ b/src/dispatching/handler_description.rs
@@ -86,7 +86,7 @@ mod tests {
     use crate as teloxide; // fixup for the `BotCommands` macro
 
     #[derive(BotCommands, Clone)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum Cmd {
         B,
     }
diff --git a/src/dispatching/handler_ext.rs b/src/dispatching/handler_ext.rs
index f73dfb0a..932d5079 100644
--- a/src/dispatching/handler_ext.rs
+++ b/src/dispatching/handler_ext.rs
@@ -90,6 +90,6 @@ where
 {
     dptree::entry().chain(dptree::filter_map(move |message: Message, me: Me| {
         let bot_name = me.user.username.expect("Bots must have a username");
-        message.text().and_then(|text| C::parse(text, bot_name).ok())
+        message.text().and_then(|text| C::parse(text, &bot_name).ok())
     }))
 }
diff --git a/src/utils/command.rs b/src/utils/command.rs
index 49dec198..57b9d5ff 100644
--- a/src/utils/command.rs
+++ b/src/utils/command.rs
@@ -13,7 +13,7 @@
 //! type UnitOfTime = u8;
 //!
 //! #[derive(BotCommands, PartialEq, Debug)]
-//! #[command(rename = "lowercase", parse_with = "split")]
+//! #[command(rename_rule = "lowercase", parse_with = "split")]
 //! enum AdminCommand {
 //!     Mute(UnitOfTime, char),
 //!     Ban(UnitOfTime, char),
@@ -70,7 +70,7 @@ pub use teloxide_macros::BotCommands;
 /// type UnitOfTime = u8;
 ///
 /// #[derive(BotCommands, PartialEq, Debug)]
-/// #[command(rename = "lowercase", parse_with = "split")]
+/// #[command(rename_rule = "lowercase", parse_with = "split")]
 /// enum AdminCommand {
 ///     Mute(UnitOfTime, char),
 ///     Ban(UnitOfTime, char),
@@ -105,7 +105,7 @@ pub use teloxide_macros::BotCommands;
 /// use teloxide::utils::command::BotCommands;
 ///
 /// #[derive(BotCommands, PartialEq, Debug)]
-/// #[command(rename = "lowercase")]
+/// #[command(rename_rule = "lowercase")]
 /// enum Command {
 ///     Text(String),
 /// }
@@ -125,7 +125,7 @@ pub use teloxide_macros::BotCommands;
 /// use teloxide::utils::command::BotCommands;
 ///
 /// #[derive(BotCommands, PartialEq, Debug)]
-/// #[command(rename = "lowercase", parse_with = "split")]
+/// #[command(rename_rule = "lowercase", parse_with = "split")]
 /// enum Command {
 ///     Nums(u8, u16, i32),
 /// }
@@ -145,7 +145,7 @@ pub use teloxide_macros::BotCommands;
 /// use teloxide::utils::command::BotCommands;
 ///
 /// #[derive(BotCommands, PartialEq, Debug)]
-/// #[command(rename = "lowercase", parse_with = "split", separator = "|")]
+/// #[command(rename_rule = "lowercase", parse_with = "split", separator = "|")]
 /// enum Command {
 ///     Nums(u8, u16, i32),
 /// }
@@ -192,7 +192,7 @@ pub use teloxide_macros::BotCommands;
 /// }
 ///
 /// #[derive(BotCommands, PartialEq, Debug)]
-/// #[command(rename = "lowercase")]
+/// #[command(rename_rule = "lowercase")]
 /// enum Command {
 ///     #[command(parse_with = "accept_two_digits")]
 ///     Num(u8),
@@ -218,9 +218,7 @@ pub trait BotCommands: Sized {
     ///
     /// `bot_username` is required to parse commands like
     /// `/cmd@username_of_the_bot`.
-    fn parse<N>(s: &str, bot_username: N) -> Result<Self, ParseError>
-    where
-        N: Into<String>;
+    fn parse(s: &str, bot_username: &str) -> Result<Self, ParseError>;
 
     /// Returns descriptions of the commands suitable to be shown to the user
     /// (for example when `/help` command is used).
diff --git a/tests/command.rs b/tests/command.rs
index d3322ea4..a42fca6b 100644
--- a/tests/command.rs
+++ b/tests/command.rs
@@ -11,7 +11,7 @@ use teloxide::utils::command::BotCommands;
 #[cfg(feature = "macros")]
 fn parse_command_with_args() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         Start(String),
         Help,
@@ -27,7 +27,7 @@ fn parse_command_with_args() {
 #[cfg(feature = "macros")]
 fn parse_command_with_non_string_arg() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         Start(i32),
         Help,
@@ -43,7 +43,7 @@ fn parse_command_with_non_string_arg() {
 #[cfg(feature = "macros")]
 fn attribute_prefix() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         #[command(prefix = "!")]
         Start(String),
@@ -60,7 +60,7 @@ fn attribute_prefix() {
 #[cfg(feature = "macros")]
 fn many_attributes() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         #[command(prefix = "!", description = "desc")]
         Start,
@@ -75,7 +75,7 @@ fn many_attributes() {
 #[cfg(feature = "macros")]
 fn global_attributes() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(prefix = "!", rename = "lowercase", description = "Bot commands")]
+    #[command(prefix = "!", rename_rule = "lowercase", description = "Bot commands")]
     enum DefaultCommands {
         #[command(prefix = "/")]
         Start,
@@ -91,7 +91,7 @@ fn global_attributes() {
 #[cfg(feature = "macros")]
 fn parse_command_with_bot_name() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         #[command(prefix = "/")]
         Start,
@@ -108,7 +108,7 @@ fn parse_command_with_bot_name() {
 #[cfg(feature = "macros")]
 fn parse_with_split() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     #[command(parse_with = "split")]
     enum DefaultCommands {
         Start(u8, String),
@@ -125,7 +125,7 @@ fn parse_with_split() {
 #[cfg(feature = "macros")]
 fn parse_with_split2() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     #[command(parse_with = "split", separator = "|")]
     enum DefaultCommands {
         Start(u8, String),
@@ -159,7 +159,7 @@ fn parse_custom_parser() {
     use parser::custom_parse_function;
 
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         #[command(parse_with = "custom_parse_function")]
         Start(u8, String),
@@ -185,7 +185,7 @@ fn parse_custom_parser() {
 #[cfg(feature = "macros")]
 fn parse_named_fields() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     #[command(parse_with = "split")]
     enum DefaultCommands {
         Start { num: u8, data: String },
@@ -202,7 +202,7 @@ fn parse_named_fields() {
 #[cfg(feature = "macros")]
 fn descriptions_off() {
     #[derive(BotCommands, Debug, PartialEq)]
-    #[command(rename = "lowercase")]
+    #[command(rename_rule = "lowercase")]
     enum DefaultCommands {
         #[command(description = "off")]
         Start,
@@ -217,24 +217,24 @@ fn descriptions_off() {
 fn rename_rules() {
     #[derive(BotCommands, Debug, PartialEq)]
     enum DefaultCommands {
-        #[command(rename = "lowercase")]
+        #[command(rename_rule = "lowercase")]
         AaaAaa,
-        #[command(rename = "UPPERCASE")]
+        #[command(rename_rule = "UPPERCASE")]
         BbbBbb,
-        #[command(rename = "PascalCase")]
+        #[command(rename_rule = "PascalCase")]
         CccCcc,
-        #[command(rename = "camelCase")]
+        #[command(rename_rule = "camelCase")]
         DddDdd,
-        #[command(rename = "snake_case")]
+        #[command(rename_rule = "snake_case")]
         EeeEee,
-        #[command(rename = "SCREAMING_SNAKE_CASE")]
+        #[command(rename_rule = "SCREAMING_SNAKE_CASE")]
         FffFff,
-        #[command(rename = "kebab-case")]
+        #[command(rename_rule = "kebab-case")]
         GggGgg,
-        #[command(rename = "SCREAMING-KEBAB-CASE")]
+        #[command(rename_rule = "SCREAMING-KEBAB-CASE")]
         HhhHhh,
-        //#[command(rename = "Bar")]
-        //Foo,
+        #[command(rename = "Bar")]
+        Foo,
     }
 
     assert_eq!(DefaultCommands::AaaAaa, DefaultCommands::parse("/aaaaaa", "").unwrap());
@@ -245,15 +245,10 @@ fn rename_rules() {
     assert_eq!(DefaultCommands::FffFff, DefaultCommands::parse("/FFF_FFF", "").unwrap());
     assert_eq!(DefaultCommands::GggGgg, DefaultCommands::parse("/ggg-ggg", "").unwrap());
     assert_eq!(DefaultCommands::HhhHhh, DefaultCommands::parse("/HHH-HHH", "").unwrap());
-    //assert_eq!(DefaultCommands::Foo, DefaultCommands::parse("/Bar",
-    // "").unwrap());
+    assert_eq!(DefaultCommands::Foo, DefaultCommands::parse("/Bar", "").unwrap());
 
-    // assert_eq!(
-    //     "/aaaaaa\n/BBBBBB\n/CccCcc\n/dddDdd\n/eee_eee\n/FFF_FFF\n/ggg-ggg\n/
-    // HHH-HHH\n/Bar",     DefaultCommands::descriptions().to_string()
-    // );
     assert_eq!(
-        "/aaaaaa\n/BBBBBB\n/CccCcc\n/dddDdd\n/eee_eee\n/FFF_FFF\n/ggg-ggg\n/HHH-HHH",
+        "/aaaaaa\n/BBBBBB\n/CccCcc\n/dddDdd\n/eee_eee\n/FFF_FFF\n/ggg-ggg\n/HHH-HHH\n/Bar",
         DefaultCommands::descriptions().to_string()
     );
 }