Merge pull request #11235 from michelou/scala3-docs

3 fixes in Markdown files

Author: liufengyun

docs/docs/reference/other-new-features/indentation.md

@@ -1,6 +1,6 @@
 ---
 layout: doc-page
-title: Optional Braces
+title: "Optional Braces"
 ---
 
 Scala 3 enforces some rules on indentation and allows some occurrences of braces `{...}` to be optional:
@@ -9,7 +9,8 @@ Scala 3 enforces some rules on indentation and allows some occurrences of braces
 - Second, some occurrences of braces `{...}` are made optional. Generally, the rule
   is that adding a pair of optional braces will not change the meaning of a well-indented program.
 
-These changescan can be turned off with the compiler flag `-noindent`.
+These changes can be turned off with the compiler flag `-noindent`.
+
 ### Indentation Rules
 
 The compiler enforces two rules for well-indented programs, flagging violations as warnings.

docs/docs/reference/syntax.md

@@ -87,19 +87,19 @@ semi             ::=  ‘;’ |  nl {nl}
 
 ## Optional Braces
 
-The lexical analyzer also inserts `indent` and `outdent` tokens that represent regions of indented code [at certain points](../reference/other-new-features-indentation.html)
+The lexical analyzer also inserts `indent` and `outdent` tokens that represent regions of indented code [at certain points](../other-new-features/indentation.md).
 
 In the context-free productions below we use the notation `<<< ts >>>`
 to indicate a token sequence `ts` that is either enclosed in a pair of braces `{ ts }` or that constitutes an indented region `indent ts outdent`. Analogously, the
 notation `:<<< ts >>>` indicates a token sequence `ts` that is either enclosed in a pair of braces `{ ts }` or that constitutes an indented region `indent ts outdent` that follows
 a `:` at the end of a line.
 
-
 ```
  <<< ts >>>   ::=  ‘{’ ts ‘}’
                 |  indent ts outdent
 :<<< ts >>>   ::=  [nl] ‘{’ ts ‘}’
                 |  `:` indent ts outdent
+```
 
 ## Keywords