diff --git a/src/comments.md b/src/comments.md
index f39fcd3927..64b90d8e36 100644
--- a/src/comments.md
+++ b/src/comments.md
@@ -17,7 +17,7 @@ LINE_COMMENT ->
     | `//` _immediately followed by LF_
 
 BLOCK_COMMENT ->
-    `/*` ^
+    `/*` !(`!` | `*` ![`*` `/`]) ^
       ( BLOCK_COMMENT_OR_DOC | (!`*/` CHAR) )*
     `*/`
 
@@ -35,7 +35,7 @@ OUTER_LINE_DOC ->
 OUTER_BLOCK_DOC ->
     `/**` ![`*` `/`]
       ^
-      ( ~`*` | BLOCK_COMMENT_OR_DOC )
+      ( ~[`*` CR] | BLOCK_COMMENT_OR_DOC )
       ( BLOCK_COMMENT_OR_DOC | BLOCK_CHAR )*
     `*/`
 
diff --git a/src/tokens.md b/src/tokens.md
index 1d48380aad..fe4d9dee3e 100644
--- a/src/tokens.md
+++ b/src/tokens.md
@@ -179,7 +179,7 @@ STRING_LITERAL ->
       | STRING_CONTINUE
     )* `"` SUFFIX?
 
-STRING_CONTINUE -> `\` LF
+STRING_CONTINUE -> `\` LF [TAB LF CR SP]*
 ```
 
 r[lex.token.literal.str.intro]
diff --git a/src/whitespace.md b/src/whitespace.md
index 7e16c51d41..9034b7fa79 100644
--- a/src/whitespace.md
+++ b/src/whitespace.md
@@ -21,6 +21,8 @@ TAB -> U+0009 // Horizontal tab, `'\t'`
 LF -> U+000A  // Line feed, `'\n'`
 
 CR -> U+000D  // Carriage return, `'\r'`
+
+SP -> U+0020  // Space, `' '`
 ```
 
 r[lex.whitespace.intro]