update url

Author: AleksaC

docs/rules/no_multiline_comments.md

@@ -36,7 +36,7 @@ Warning: Multiline comments are not allowed. Replace the comment with single-lin
    3: Bad
    4: */
 
-Reference: https://github.com/AleksaC/tflint-ruleset-misc
+Reference: https://github.com/AleksaC/tflint-ruleset-misc/blob/main/docs/rules/no_multiline_comments.md
 ```
 
 ### single_line_only = false
@@ -56,7 +56,7 @@ Warning: Using multiline comment syntax for single-line comments is not allowed.
   on t.tf line 4:
    4: /* Bad */
 
-Reference: https://github.com/AleksaC/tflint-ruleset-misc
+Reference: https://github.com/AleksaC/tflint-ruleset-misc/blob/main/docs/rules/no_multiline_comments.md
 ```
 
 ## Why

rules/no_multiline_comments.go

@@ -40,7 +40,7 @@ func (r *NoMultilineCommentsRule) Severity() tflint.Severity {
 
 // Link returns the rule reference link
 func (r *NoMultilineCommentsRule) Link() string {
-	return "https://github.com/AleksaC/tflint-ruleset-misc"
+	return "https://github.com/AleksaC/tflint-ruleset-misc/blob/main/docs/rules/no_multiline_comments.md"
 }
 
 // Check checks whether multiline comments are used