diff --git a/library/std/src/sys/unix/process/process_unix.rs b/library/std/src/sys/unix/process/process_unix.rs
index d0af2b6e9db0..5e4eff75894b 100644
--- a/library/std/src/sys/unix/process/process_unix.rs
+++ b/library/std/src/sys/unix/process/process_unix.rs
@@ -211,8 +211,8 @@ fn clone3(cl_args: *mut clone_args, len: libc::size_t) -> libc::c_long
             }
         }
 
-        // If we get here, the 'clone3' syscall does not exist
-        // or we do not have permission to call it
+        // Generally, we just call `fork`. If we get here after wanting `clone3`,
+        // then the syscall does not exist or we do not have permission to call it.
         cvt(libc::fork()).map(|res| (res, pidfd))
     }