Fix markdown and spelling errors

Author: bitzoic

docs/book/src/blockchain-development/hashing_and_cryptography.md

@@ -10,7 +10,7 @@ The Sway standard library provides easy access to a selection of cryptographic h
 
 ## Cryptographic Signature Recovery and Verification
 
-Fuel supports 3 asymmetric cryptographic signature schemes; Secp256k1, Secp256r1, and Ed25519.
+Fuel supports 3 asymmetric cryptographic signature schemes; `Secp256k1`, `Secp256r1`, and `Ed25519`.
 
 ### Public Key Recovery
 
@@ -28,7 +28,7 @@ Given a `Signature` and signed `Message`, you can recover a Fuel `Address`.
 {{#include ../../../../examples/signatures/src/main.sw:address_recovery}}
 ```
 
-#### EVM Address
+#### Signed Message EVM Address Recovery
 
 Recovery of EVM addresses is also supported.
 
@@ -44,15 +44,15 @@ Given a `Signature`, `PublicKey`, and `Message`, you can verify that the message
 {{#include ../../../../examples/signatures/src/main.sw:signature_verification}}
 ```
 
-### Address Signature Verification Verification
+### Address Signature Verification
 
-Given a `Signature`, `Address`, and `Message`, you can verify that the message was signed by thr address.
+Given a `Signature`, `Address`, and `Message`, you can verify that the message was signed by the address.
 
 ```sway
 {{#include ../../../../examples/signatures/src/main.sw:address_verification}}
 ```
 
-#### EVM Address
+#### EVM Address Signature Verification
 
 Recovery of EVM addresses verification is also supported.
 

examples/signatures/src/main.sw

@@ -173,7 +173,7 @@ fn address_verification() {
         0x2555de81cd3a40382d3d64eb1c77e463eea5a76d65ec85f283e0b3d568352678,
     ));
     let signed_message = Message::from(0xa13f4ab54057ce064d3dd97ac3ff30ed704e73956896c03650fe59b1a561fe15);
-    // A verifed address
+    // A verified address
     let secp256k1_verified = secp256k1_signature.verify_address(secp256k1_address, signed_message);
     assert(secp256k1_verified.is_ok());
 

test/src/in_language_tests/test_programs/crypto_signature_inline_tests/src/main.sw

@@ -88,7 +88,7 @@ fn signature_address() {
 }
 
 #[test]
-fn signature_evm_addres() {
+fn signature_evm_address() {
     let hi_1 = 0xbd0c9b8792876713afa8bff383eebf31c43437823ed761cc3600d0016de5110c;
     let lo_1 = 0x44ac566bd156b4fc71a4a4cb2655d3dd360c695edb17dc3b64d611e122fea23d;
     let msg_hash_1 = 0xee45573606c96c98ba970ff7cf9511f1b8b25e6bcd52ced30b89df1e4a9c4323;