diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 32a237a..808643a 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -313,13 +313,12 @@
   UsageError("  -g");
   UsageError("  --generate-debug-info: Generate debug information for native debugging,");
   UsageError("      such as stack unwinding information, ELF symbols and DWARF sections.");
-  UsageError("      This generates all the available information. Unneeded parts can be");
-  UsageError("      stripped using standard command line tools such as strip or objcopy.");
-  UsageError("      (enabled by default in debug builds, disabled by default otherwise)");
+  UsageError("      If used without --native-debuggable, it will be best-effort only.");
+  UsageError("      This option does not affect the generated code. (disabled by default)");
   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("  --debuggable: Produce code debuggable with Java debugger.");
   UsageError("");
   UsageError("  --native-debuggable: Produce code debuggable with native debugger (like LLDB).");
   UsageError("      Implies --debuggable.");