Merge pull request #32 from ronin-chain/chore/RDOC-57

chore: lowercase title

docs/validators/onboarding/become-validator.mdx

@@ -1,6 +1,6 @@
 ---
-description: Register as a Validator Candidate on Ronin.
-title: Become a Validator 
+description: Register as a Validator Candidate before becoming a Standard Validator.
+title: Become a validator
 ---
 
 import becomeValidator from './assets/become-validator.png';
@@ -21,13 +21,13 @@ Standard Validator on the next day.
 
 There are three validator roles:
 
-* **Validator Candidate.** The role you get after following the steps
+* **Validator Candidate:** the role you get after following the steps
 in this guide. Validator Candidates are eligible to be selected as Standard Validators the next day.
-* **Standard Validator.** Every day, at least 10 Validator Candidates
+* **Standard Validator:** every day, at least 10 Validator Candidates
 with the highest stakes are selected as Standard Validators.
 The system records your total staking amount at 00:00 UTC every day
 for the selection process. 
-* **Governing Validator.** The validators chosen by the community and
+* **Governing Validator:** the validators chosen by the community and
 Sky Mavis to ensure network security. Governing Validators are
 validators by default, and they account for more than half of the
 total validator set.