diff --git a/src/doc/man/cargo.md b/src/doc/man/cargo.md
index 271fd058d8a..7cc2041fad6 100644
--- a/src/doc/man/cargo.md
+++ b/src/doc/man/cargo.md
@@ -17,6 +17,14 @@ cargo --- The Rust package manager
 This program is a package manager and build tool for the Rust language,
 available at <https://rust-lang.org>.
 
+_command_ may be one of:
+- built-in commands, see below
+- [aliases]
+- [external tools]
+
+[aliases]: ../reference/config.html#alias
+[external tools]: ../reference/external-tools.html#custom-subcommands
+
 ## COMMANDS
 
 ### Build Commands
diff --git a/src/doc/man/generated_txt/cargo.txt b/src/doc/man/generated_txt/cargo.txt
index 7ab37a5a2fa..36ad1ff661b 100644
--- a/src/doc/man/generated_txt/cargo.txt
+++ b/src/doc/man/generated_txt/cargo.txt
@@ -14,6 +14,15 @@ DESCRIPTION
        This program is a package manager and build tool for the Rust language,
        available at <https://rust-lang.org>.
 
+       command may be one of:
+
+       o  built-in commands, see below
+
+       o  aliases <https://doc.rust-lang.org/cargo/reference/config.html#alias>
+
+       o  external tools
+          <https://doc.rust-lang.org/cargo/reference/external-tools.html#custom-subcommands>
+
 COMMANDS
    Build Commands
        cargo-bench(1)
diff --git a/src/doc/src/commands/cargo.md b/src/doc/src/commands/cargo.md
index ad328144c6f..62b06ab72ac 100644
--- a/src/doc/src/commands/cargo.md
+++ b/src/doc/src/commands/cargo.md
@@ -17,6 +17,14 @@ cargo --- The Rust package manager
 This program is a package manager and build tool for the Rust language,
 available at <https://rust-lang.org>.
 
+_command_ may be one of:
+- built-in commands, see below
+- [aliases]
+- [external tools]
+
+[aliases]: ../reference/config.html#alias
+[external tools]: ../reference/external-tools.html#custom-subcommands
+
 ## COMMANDS
 
 ### Build Commands
diff --git a/src/etc/man/cargo.1 b/src/etc/man/cargo.1
index a45843c5ff0..2fe52e19ae8 100644
--- a/src/etc/man/cargo.1
+++ b/src/etc/man/cargo.1
@@ -18,6 +18,20 @@ cargo \[em] The Rust package manager
 .SH "DESCRIPTION"
 This program is a package manager and build tool for the Rust language,
 available at <https://rust\-lang.org>\&.
+.sp
+\fIcommand\fR may be one of:
+.sp
+.RS 4
+\h'-04'\(bu\h'+03'built\-in commands, see below
+.RE
+.sp
+.RS 4
+\h'-04'\(bu\h'+03'\fIaliases\fR <https://doc.rust\-lang.org/cargo/reference/config.html#alias>
+.RE
+.sp
+.RS 4
+\h'-04'\(bu\h'+03'\fIexternal tools\fR <https://doc.rust\-lang.org/cargo/reference/external\-tools.html#custom\-subcommands>
+.RE
 .SH "COMMANDS"
 .SS "Build Commands"
 \fBcargo\-bench\fR(1)