Fix comments for Grumpkin curve generator (#175)

Co-authored-by: Weikeng Chen <w.k@berkeley.edu>

CHANGELOG.md

@@ -7,6 +7,8 @@
 ### Features
 
 - [\#156](https://github.com/arkworks-rs/curves/pull/156) Add the bw6-767 curve.
+- [\#174](https://github.com/arkworks-rs/curves/pull/174) Add the "grumpkin" curve.
+
 
 ### Improvements
 

grumpkin/src/curves/mod.rs

@@ -45,10 +45,8 @@ impl SWCurveConfig for GrumpkinConfig {
 }
 
 /// G_GENERATOR_X = 1
-/// Encoded in Montgomery form, so the value here is R mod p.
 pub const G_GENERATOR_X: Fq = MontFp!("1");
 
 /// G_GENERATOR_Y = sqrt(-16)
-/// Encoded in Montgomery form, so the value here is 2R mod p.
 pub const G_GENERATOR_Y: Fq =
     MontFp!("17631683881184975370165255887551781615748388533673675138860");