diff --git a/examples/slu4-minimal-64x4/README.md b/examples/slu4-minimal-64x4/README.md
index 3ecb74a..0e82f0b 100644
--- a/examples/slu4-minimal-64x4/README.md
+++ b/examples/slu4-minimal-64x4/README.md
@@ -52,7 +52,7 @@ The following instruction macros have been added in the ISA configuration file f
 | `sqq` | zero page address | zero page address | Subtracts the first 4 byte long at a zero page address from the second and stores the result in the second zero page address. |
 | `mqq` | zero page address | zero page address | Copies a 4 byte long at the first zero page address to the 4 bytes at the second zero page address |
 | `mll` | abs address | abs address | Copies a 4 byte long at the first absolute address to the 4 bytes at the second absolute address |
-| `miq` | immediate | zero page address | Copies an immediate 4-byte long to a zero page long |
+| `m4iq` | immediate | zero page address | Copies an immediate 4-byte long to a zero page long |
 
 ### Assembly Syntax
 **BespokeASM**'s syntax is close to the syntax that Carsten used for the Minimal 64x4's assembly language. However, there are some differences:
diff --git a/examples/slu4-minimal-64x4/software/primes.min64x4 b/examples/slu4-minimal-64x4/software/primes.min64x4
index a543a0e..bc1ca33 100644
--- a/examples/slu4-minimal-64x4/software/primes.min64x4
+++ b/examples/slu4-minimal-64x4/software/primes.min64x4
@@ -14,7 +14,7 @@ _n_value:            .zero 4
 .org 0 "USER_APPS"
 start:
     ; init N-value to 1
-    miq 1,_n_value+0
+    m4iq 1,_n_value+0
 .n_loop:
     phsi 0
     phsq _n_value