Fix typos in README.md and CONTRIBUTING.md (#1090)

CONTRIBUTING.md

@@ -28,7 +28,7 @@ If you want to add a new rule to the [default Gitleaks configuration](https://gi
    func Beamer() *config.Rule {
        // Define Rule
        r := config.Rule{
-           // Human redable description of the rule
+           // Human readable description of the rule
            Description: "Beamer API token",
 
            // Unique ID for the rule

README.md

@@ -387,7 +387,7 @@ class CustomClass:
 
 #### .gitleaksignore
 
-You can ignore specific findings by creating a `.gitleaksignore` file at the root of your repo. In release v8.10.0 Gitleaks added a `Fingerprint` value to the Gitleaks report. Each leak, or finding, has a Fingerprint that uniquely identifies a secret. Add this fingerprint to the `.gitleaksignore` file to ignore that specific secret. See Gitleaks' [.gitleaksignore](https://github.com/zricethezav/gitleaks/blob/master/.gitleaksignore) for an example. Note: this feature is expirmental and is subject to change in the future.
+You can ignore specific findings by creating a `.gitleaksignore` file at the root of your repo. In release v8.10.0 Gitleaks added a `Fingerprint` value to the Gitleaks report. Each leak, or finding, has a Fingerprint that uniquely identifies a secret. Add this fingerprint to the `.gitleaksignore` file to ignore that specific secret. See Gitleaks' [.gitleaksignore](https://github.com/zricethezav/gitleaks/blob/master/.gitleaksignore) for an example. Note: this feature is experimental and is subject to change in the future.
 
 ## Secured by Jit