chore: fix some comments (ZcashFoundation#682)

Signed-off-by: wangcundashang <[email protected]>

Author: wangcundashang

README.md

@@ -30,7 +30,7 @@ Besides FROST itself, this repository also provides:
 
 - Trusted dealer key generation as specified in the appendix of ['Two-Round Threshold Schnorr Signatures with FROST'](https://datatracker.ietf.org/doc/draft-irtf-cfrg-frost/);
 - Distributed key generation as specified in the original paper [FROST20](https://eprint.iacr.org/2020/852.pdf);
-- Repairable Theshold Scheme (RTS) from ['A Survey and Refinement of Repairable Threshold Schemes'](https://eprint.iacr.org/2017/1155) which allows a participant to recover a lost share with the help of a threshold of other participants;
+- Repairable Threshold Scheme (RTS) from ['A Survey and Refinement of Repairable Threshold Schemes'](https://eprint.iacr.org/2017/1155) which allows a participant to recover a lost share with the help of a threshold of other participants;
 - Rerandomized FROST (paper under review).
 
 ## Getting Started

book/src/dev/developer-guide.md

@@ -8,7 +8,7 @@
 
 # Coverage
 
-Test coverage checks are performed in the pipeline. This is cofigured here: `.github/workflows/coverage.yaml`
+Test coverage checks are performed in the pipeline. This is configured here: `.github/workflows/coverage.yaml`
 To run these locally:
 1. Install coverage tool by running `cargo install cargo-llvm-cov`
 2. Run `cargo llvm-cov --ignore-filename-regex '.*(tests).*|benches.rs|gencode|helpers.rs'` (you may be asked if you want to install `llvm-tools-preview`, if so type `Y`)

book/src/zcash/ywallet-demo.md

@@ -1,6 +1,6 @@
 # Ywallet Demo Tutorial
 
-This tutorial explaing how to run the FROST demo using Ywallet that was
+This tutorial explaining how to run the FROST demo using Ywallet that was
 [presented during Zcon4](https://www.youtube.com/watch?v=xvzESdDtczo).
 
 Ywallet supports [offline

plot.py

@@ -1,6 +1,6 @@
 """
 
-Generate the graphs for the FROST perfomance blog post.
+Generate the graphs for the FROST performance blog post.
 
 Install cargo-criterion: