[close #572] misc: fix syntax issues in github issue/pr templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,7 +18,7 @@ labels: type/bug
 
 ### 4. What did you expect to see? (Required)
 
-### 5. What is your Java Client and TiKV version? (Required)
+### 5. What are your Java Client and TiKV versions? (Required)
 
 - Client Java:
 - TiKV:

.github/ISSUE_TEMPLATE/feature_request.md

@@ -18,6 +18,6 @@ frustrated when [...] -->
 you've considered. -->
 
 **Teachability, Documentation, Adoption, Migration Strategy:**
-<!-- If you can, explain some scenarios how users might use this, situations it
+<!-- If you can, explain some scenarios of how users might use this, situations it
 would be helpful in. Any API designs, mockups, or diagrams are also helpful.
 -->

.github/pull_request_template.md

@@ -8,7 +8,7 @@ Issue Number: close #issue_number
 
 Problem Description: **TBD**
 
-### What is changed and how it works?
+### What is changed and how does it work?
 
 
 
@@ -17,13 +17,13 @@ Problem Description: **TBD**
 <!-- REMOVE the items that are not applicable -->
 - Has exported function/method change
 - Has exported variable/fields change
-- Has interface methods change
+- Has methods of interface change
 - Has persistent data change
 - No code
 
 ### Check List for Tests
 
-This PR has been tested by the at least one of the following methods:
+This PR has been tested by at least one of the following methods:
 - Unit test
 - Integration test
 - Manual test (add detailed scripts or steps below)