diff --git a/_includes/cheatsheet-text.md b/_includes/cheatsheet-text.md
index 76af4fc..83ab211 100644
--- a/_includes/cheatsheet-text.md
+++ b/_includes/cheatsheet-text.md
@@ -13,7 +13,7 @@
{:.postcard-grammar.textsyntax}
| *Boolean* | := | `#t`|`#f` |
-| *ByteString* | := | `#"`*binchar*⋆ `"`|`#x"` (**ws** *hex* *hex*)⋆ **ws**`"`|`#[` (**ws** | *base64char*)⋆ **ws**`]` |
+| *ByteString* | := | `#"`*binchar*⋆ `"`|`#x"` (**ws** *hex* *hex*)⋆ **ws**`"`|`#[` (**ws** *base64char*)⋆ **ws**`]` |
| *String* | := | `"` (« any unicode scalar value except `\` or `"` » | *escaped* |`\"`)⋆ `"` |
| *QuotedSymbol* | := | `|` (« any unicode scalar value except `\` or `|` » | *escaped* |`\|`)⋆ `|` |
| *Symbol* | := | (`A`..`Z`|`a`..`z`|`0`..`9`| *sympunct* | *symuchar*)+ |