Apply suggestions from code review

Co-authored-by: Julien Jean Paul Sirocchi <julien.sirocchi@gmail.com>

Author: odersky

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

@@ -84,7 +84,7 @@ There are two rules:
     If the indentation width of the token on the next line is still less than the new current indentation width, step (2) repeats. Therefore, several `<outdent>` tokens
     may be inserted in a row.
 
-    The folllowing two additional rules support parsing of legacy code with ad-hoc layout. They might be withdrawn in future language versions:
+    The following two additional rules support parsing of legacy code with ad-hoc layout. They might be withdrawn in future language versions:
 
      - An `<outdent>` is also inserted if the next token following a statement sequence starting with an `<indent>` closes an indentation region, i.e. is one of `then`, `else`, `do`, `catch`, `finally`, `yield`, `}`, `)`, `]` or `case`.
 

docs/docs/reference/syntax.md

@@ -85,7 +85,7 @@ nl               ::=  “new line character”
 semi             ::=  ‘;’ |  nl {nl}
 ```
 
-The lexical analyzer also inserts `indent` and `outdent` tokensthat 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](../reference/other-new-features-indentation.html)
 
 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`.