diff --git a/src/bin/cargo/commands/test.rs b/src/bin/cargo/commands/test.rs
index 607655aaf33..424ed3f00d6 100644
--- a/src/bin/cargo/commands/test.rs
+++ b/src/bin/cargo/commands/test.rs
@@ -34,7 +34,7 @@ pub fn cli() -> Command {
             "Test all tests",
             "Test only the specified bench target",
             "Test all benches",
-            "Test all targets",
+            "Test all targets (does not include doctests)",
         )
         .arg(flag("doc", "Test only this library's documentation"))
         .arg(flag("no-run", "Compile, but don't run tests"))
diff --git a/tests/testsuite/cargo_test/help/stdout.log b/tests/testsuite/cargo_test/help/stdout.log
index c26eb06197e..7e60fa42444 100644
--- a/tests/testsuite/cargo_test/help/stdout.log
+++ b/tests/testsuite/cargo_test/help/stdout.log
@@ -17,7 +17,7 @@ Options:
       --test [<NAME>]           Test only the specified test target
       --benches                 Test all benches
       --bench [<NAME>]          Test only the specified bench target
-      --all-targets             Test all targets
+      --all-targets             Test all targets (does not include doctests)
       --doc                     Test only this library's documentation
       --no-run                  Compile, but don't run tests
       --no-fail-fast            Run all tests regardless of failure