diff --git a/src/builtins/register.rs b/src/builtins/register.rs
index 95ad7bbd4e7..1271b7b1ebe 100644
--- a/src/builtins/register.rs
+++ b/src/builtins/register.rs
@@ -16,8 +16,8 @@ use crate::serenity_prelude as serenity;
 /// serenity::Command::set_global_commands(ctx, create_commands).await?;
 /// # Ok(()) }
 /// ```
-pub fn create_application_commands<'a, U:'a , E: 'a>(
-    commands: impl IntoIterator<Item=&'a crate::Command<U, E>>,
+pub fn create_application_commands<'a, U: 'a, E: 'a>(
+    commands: impl IntoIterator<Item = &'a crate::Command<U, E>>,
 ) -> Vec<serenity::CreateCommand> {
     /// We decided to extract context menu commands recursively, despite the subcommand hierarchy
     /// not being preserved. Because it's more confusing to just silently discard context menu
@@ -51,7 +51,7 @@ pub fn create_application_commands<'a, U:'a , E: 'a>(
 /// [`serenity::Command::set_global_commands`].
 pub async fn register_globally<'a, U: 'a, E: 'a>(
     http: impl AsRef<serenity::Http>,
-    commands: impl IntoIterator<Item=&'a crate::Command<U, E>>,
+    commands: impl IntoIterator<Item = &'a crate::Command<U, E>>,
 ) -> Result<(), serenity::Error> {
     let builder = create_application_commands(commands);
     serenity::Command::set_global_commands(http, builder).await?;
@@ -64,7 +64,7 @@ pub async fn register_globally<'a, U: 'a, E: 'a>(
 /// [`serenity::GuildId::set_commands`].
 pub async fn register_in_guild<'a, U: 'a, E: 'a>(
     http: impl AsRef<serenity::Http>,
-    commands: impl IntoIterator<Item=&'a crate::Command<U, E>>,
+    commands: impl IntoIterator<Item = &'a crate::Command<U, E>>,
     guild_id: serenity::GuildId,
 ) -> Result<(), serenity::Error> {
     let builder = create_application_commands(commands);