Fix markdown lint errors

Use-Case-Format.md

@@ -1,4 +1,5 @@
-<!-- markdownlint-disable-next-line MD041 -->
+<!-- markdownlint-disable-next-line first-line-h1 -->
+
 ##### Related Documents
 
 - [SRS](SRS) > [Use Case Suite](Use-Case-Suite) > Use Case Format
@@ -10,9 +11,9 @@ cases and gives tips on writing use cases. You can copy and paste the
 sample use case into your [Use Cases](Use-Cases) document. This
 file itself should not be edited to hold specific use cases.
 
-*TODO: Use this template once in your [Use Cases](Use-Cases)
+_TODO: Use this template once in your [Use Cases](Use-Cases)
 document. Anything you mention here will apply to all use cases in that
-file.*
+file._
 
 ---
 
@@ -31,9 +32,9 @@ file.*
 **Prerequisite:**
 ::Project is set up
 
-*TODO: Copy and paste this use case template as many times as needed in
+_TODO: Copy and paste this use case template as many times as needed in
 your [Use Cases](Use-Cases) document. Only use those fields that
-are not the same as the default for all use cases.*
+are not the same as the default for all use cases._
 
 ---
 
@@ -74,6 +75,7 @@ are not the same as the default for all use cases.*
 **Alternative Scenario Extensions:**
 
 - ::If CONDITION, then ALTERNATIVE STEPS.
+
   - ::NOTES or DETAILS.
 
 - ::If CONDITION, then ALTERNATIVE STEPS.