diff --git a/doc/r1cs_bin_format.md b/doc/r1cs_bin_format.md
index 0161a02..a900400 100644
--- a/doc/r1cs_bin_format.md
+++ b/doc/r1cs_bin_format.md
@@ -188,7 +188,7 @@ Prime Number of the field
 
 Example:
 ```
-0x010000f0_93f5e143_9170b979_48e83328_5d588181_b64550b8_29a031e1_724e6430
+0x724e6430_29a031e1_b64550b8_5d588181_48e83328_9170b979_93f5e143_010000f0
 ```
 
 #### Number of wires