diff --git a/src/user.jl b/src/user.jl
index 8aed93e..a0713b6 100644
--- a/src/user.jl
+++ b/src/user.jl
@@ -8,14 +8,23 @@ macro enter(ex)
 end
 
 """
-    @enter ex
+    @run ex
 
-Step into `ex`.
+Run `ex` with the Interpreter and break when a breakpoint is encountered.
 """
 macro run(ex)
   Main.Atom.enter(__module__, ex; initial_continue = true)
 end
 
+"""
+    @trace ex
+
+Analyse `ex` for type instabilities using Traceur.jl.
+"""
+macro trace(ex, args...)
+  Main.Atom.trace(ex, args...)
+end
+
 function connect(args...; kws...)
   activate()
   eval(:(Main.Atom.connect($args...; $kws...)))