diff --git a/src/curve.rs b/src/curve.rs
index 74a4862..625e73e 100644
--- a/src/curve.rs
+++ b/src/curve.rs
@@ -1034,12 +1034,14 @@ mod test {
         [0x1a, 0xd5, 0x25, 0x8f, 0x60, 0x2d, 0x56, 0xc9, 0xb2, 0xa7, 0x25, 0x95, 0x60, 0xc7, 0x2c, 0x69,
          0x5c, 0xdc, 0xd6, 0xfd, 0x31, 0xe2, 0xa4, 0xc0, 0xfe, 0x53, 0x6e, 0xcd, 0xd3, 0x36, 0x69, 0x21];
 
+    /// Compressed Edwards Y form of 2*basepoint.
     static BASE2_CMPRSSD: CompressedEdwardsY =
         CompressedEdwardsY([0xc9, 0xa3, 0xf8, 0x6a, 0xae, 0x46, 0x5f, 0xe,
                             0x56, 0x51, 0x38, 0x64, 0x51, 0x0f, 0x39, 0x97,
                             0x56, 0x1f, 0xa2, 0xc9, 0xe8, 0x5e, 0xa2, 0x1d,
                             0xc2, 0x29, 0x23, 0x09, 0xf3, 0xcd, 0x60, 0x22]);
 
+    /// Compressed Edwards Y form of 16*basepoint.
     static BASE16_CMPRSSD: CompressedEdwardsY =
         CompressedEdwardsY([0xeb, 0x27, 0x67, 0xc1, 0x37, 0xab, 0x7a, 0xd8,
                             0x27, 0x9c, 0x07, 0x8e, 0xff, 0x11, 0x6a, 0xb0,
@@ -1068,6 +1070,7 @@ mod test {
         0xa8, 0xe2, 0xe7, 0xc9, 0x42, 0x5e, 0x40, 0xa5]);
 
     /// A_SCALAR * (A_TIMES_BASEPOINT) + B_SCALAR * BASEPOINT
+    /// computed with ed25519.py
     static DOUBLE_SCALAR_MULT_RESULT: CompressedEdwardsY = CompressedEdwardsY([
         0x7d, 0xfd, 0x6c, 0x45, 0xaf, 0x6d, 0x6e, 0x0e,
         0xba, 0x20, 0x37, 0x1a, 0x23, 0x64, 0x59, 0xc4,