diff --git a/doc/usage.md b/doc/usage.md
index 1ab56e1..53c0bb9 100644
--- a/doc/usage.md
+++ b/doc/usage.md
@@ -121,15 +121,14 @@ vmpsadbw(xm1, xm3, xm15, 3); // evex(avx10.2)
 
 ```
 
-- `setDefaultEncoding(PreferredEncoding vnniEnc = EvexEncoding, PreferredEncoding mpsadbwEnc = VexEncoding)`
-  - 1st argument. Set the default encoding to select EVEX or VEX for VNNI
-    - The default value is EvexEncoding (AVX512_VNNI).
-    - encoded as AVX-VNNI if VexEncoding is set.
-    - This parameter affects to vpdpbusd, vpdpbusds, vpdpwssd, vpdpwssds.
-  - 2nd argument. Set the default encoding to select EVEX or VEX for vmpsadbw
-    - The default value is VexEncoding (AVX/AVX2).
-    - encoded as AVX10.2 if EvexEncoding is set.
-    - This parameter affects to vmpsadbw.
+- `setDefaultEncoding(PreferredEncoding vnniEnc = EvexEncoding, PreferredEncoding avx10Enc = VexEncoding)`
+
+param|vnniEnc|avx10Enc
+-|-|-
+EvexEncoding|AVX512_VNNI|AVX10.2
+VexEncoding|AVX/AVX2|AVX-VNNI-INT8
+default|EvexEncoding|VexEncoding
+mnemonic|vpdpbusd, vpdpbusds, vpdpwssd, vpdpwssds|vmpsadbw, vpdpbssd
 
 ### Remark
 * `k1`, ..., `k7` are opmask registers.
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index c5de008..454613c 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -3170,9 +3170,11 @@ public:
 	#undef jnl
 #endif
 
-	// set default encoding to select Vex or Evex
-	void setDefaultEncoding(PreferredEncoding vnniEnc = EvexEncoding, PreferredEncoding mpsadbwEnc = VexEncoding)
-	{ defaultEncoding_[0] = vnniEnc; defaultEncoding_[1] = mpsadbwEnc; }
+	// set default encoding
+	// vnniEnc : control AVX512_VNNI (evex:default) or AVX-VNNI (vex)
+	// avx10Enc : control mpsadbw, AVX-VNNI-INT8 (vex:default) or AVX10.2 (evex)
+	void setDefaultEncoding(PreferredEncoding vnniEnc = EvexEncoding, PreferredEncoding avx10Enc = VexEncoding)
+	{ defaultEncoding_[0] = vnniEnc; defaultEncoding_[1] = avx10Enc; }
 
 	void sha1msg12(const Xmm& x, const Operand& op)
 	{