diff --git a/crypto-primitives/src/prf/blake2s/constraints.rs b/crypto-primitives/src/prf/blake2s/constraints.rs
index b2f6bf0..6a37147 100644
--- a/crypto-primitives/src/prf/blake2s/constraints.rs
+++ b/crypto-primitives/src/prf/blake2s/constraints.rs
@@ -8,17 +8,17 @@ use std::borrow::Borrow;
 
 // 2.1.  Parameters
 // The following table summarizes various parameters and their ranges:
-// | BLAKE2b          | BLAKE2s          |
+//               | BLAKE2b          | BLAKE2s          |
 // --------------+------------------+------------------+
-// Bits in word | w = 64           | w = 32           |
-// Rounds in F  | r = 12           | r = 10           |
-// Block bytes  | bb = 128         | bb = 64          |
-// Hash bytes   | 1 <= nn <= 64    | 1 <= nn <= 32    |
-// Key bytes    | 0 <= kk <= 64    | 0 <= kk <= 32    |
-// Input bytes  | 0 <= ll < 2**128 | 0 <= ll < 2**64  |
+// Bits in word  | w = 64           | w = 32           |
+// Rounds in F   | r = 12           | r = 10           |
+// Block bytes   | bb = 128         | bb = 64          |
+// Hash bytes    | 1 <= nn <= 64    | 1 <= nn <= 32    |
+// Key bytes     | 0 <= kk <= 64    | 0 <= kk <= 32    |
+// Input bytes   | 0 <= ll < 2**128 | 0 <= ll < 2**64  |
 // --------------+------------------+------------------+
-// G Rotation   | (R1, R2, R3, R4) | (R1, R2, R3, R4) |
-// constants = | (32, 24, 16, 63) | (16, 12,  8,  7) |
+// G Rotation    | (R1, R2, R3, R4) | (R1, R2, R3, R4) |
+// constants =   | (32, 24, 16, 63) | (16, 12,  8,  7) |
 // --------------+------------------+------------------+
 //
 
@@ -27,18 +27,18 @@ const R2: usize = 12;
 const R3: usize = 8;
 const R4: usize = 7;
 
-// Round   |  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 |
+// Round     |  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 |
 // ----------+-------------------------------------------------+
-// SIGMA[0] |  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 |
-// SIGMA[1] | 14 10  4  8  9 15 13  6  1 12  0  2 11  7  5  3 |
-// SIGMA[2] | 11  8 12  0  5  2 15 13 10 14  3  6  7  1  9  4 |
-// SIGMA[3] |  7  9  3  1 13 12 11 14  2  6  5 10  4  0 15  8 |
-// SIGMA[4] |  9  0  5  7  2  4 10 15 14  1 11 12  6  8  3 13 |
-// SIGMA[5] |  2 12  6 10  0 11  8  3  4 13  7  5 15 14  1  9 |
-// SIGMA[6] | 12  5  1 15 14 13  4 10  0  7  6  3  9  2  8 11 |
-// SIGMA[7] | 13 11  7 14 12  1  3  9  5  0 15  4  8  6  2 10 |
-// SIGMA[8] |  6 15 14  9 11  3  0  8 12  2 13  7  1  4 10  5 |
-// SIGMA[9] | 10  2  8  4  7  6  1  5 15 11  9 14  3 12 13  0 |
+// SIGMA[0]  |  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 |
+// SIGMA[1]  | 14 10  4  8  9 15 13  6  1 12  0  2 11  7  5  3 |
+// SIGMA[2]  | 11  8 12  0  5  2 15 13 10 14  3  6  7  1  9  4 |
+// SIGMA[3]  |  7  9  3  1 13 12 11 14  2  6  5 10  4  0 15  8 |
+// SIGMA[4]  |  9  0  5  7  2  4 10 15 14  1 11 12  6  8  3 13 |
+// SIGMA[5]  |  2 12  6 10  0 11  8  3  4 13  7  5 15 14  1  9 |
+// SIGMA[6]  | 12  5  1 15 14 13  4 10  0  7  6  3  9  2  8 11 |
+// SIGMA[7]  | 13 11  7 14 12  1  3  9  5  0 15  4  8  6  2 10 |
+// SIGMA[8]  |  6 15 14  9 11  3  0  8 12  2 13  7  1  4 10  5 |
+// SIGMA[9]  | 10  2  8  4  7  6  1  5 15 11  9 14  3 12 13  0 |
 // ----------+-------------------------------------------------+
 //