diff --git a/insns/README.md b/insns/README.md
index 7d6ec87..d9a0ebd 100644
--- a/insns/README.md
+++ b/insns/README.md
@@ -10,7 +10,7 @@
 | S-type | SB, SD, SH, SW |
 | SB-type | BEQ, BGE, BGEU, BLT, BLTU, BNE |
 | U-type | AUIPC, LUI |
-| J-type | JAL |
+| UJ-type | JAL |
 | CI-type | C\_ADD, C\_ADDI, C\_ADDIW, C\_JALR, C\_JR, C\_LI, C\_MV |
 | CI-type (SP variation) | C\_ADDI16SP |
 | CI-type (ANDI variation) | C\_ANDI |