diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 6fae8e4..21ce73c 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -315,10 +315,13 @@
   UsageError("      stripped using standard command line tools such as strip or objcopy.");
   UsageError("      (enabled by default in debug builds, disabled by default otherwise)");
   UsageError("");
-  UsageError("  --debuggable: Produce debuggable code. Implies --generate-debug-info.");
-  UsageError("");
   UsageError("  --no-generate-debug-info: Do not generate debug information for native debugging.");
   UsageError("");
+  UsageError("  --debuggable: Produce code debuggable with Java debugger. Implies -g.");
+  UsageError("");
+  UsageError("  --native-debuggable: Produce code debuggable with native debugger (like LLDB).");
+  UsageError("      Implies --debuggable.");
+  UsageError("");
   UsageError("  --runtime-arg <argument>: used to specify various arguments for the runtime,");
   UsageError("      such as initial heap size, maximum heap size, and verbose output.");
   UsageError("      Use a separate --runtime-arg switch for each argument.");