diff --git a/core/executable.mk b/core/executable.mk
index baa6a74..22884b8 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -1,9 +1,9 @@
 # We don't automatically set up rules to build executables for both
 # TARGET_ARCH and TARGET_2ND_ARCH.
 # By default, an executable is built for TARGET_ARCH.
-# To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_32BIT_ONLY := true".
+# To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_32_BIT_ONLY := true".
 
-ifeq ($(TARGET_IS_64_BIT)|$(LOCAL_32BIT_ONLY),true|true)
+ifeq ($(TARGET_IS_64_BIT)|$(LOCAL_32_BIT_ONLY),true|true)
 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
 else
 LOCAL_2ND_ARCH_VAR_PREFIX :=