diff --git a/docs/content/querying/sql.md b/docs/content/querying/sql.md
index 07fbc2ce98f..52561996e1b 100644
--- a/docs/content/querying/sql.md
+++ b/docs/content/querying/sql.md
@@ -136,7 +136,7 @@ String functions accept strings, and return a type appropriate to the function.
 |`STRPOS(haystack, needle)`|Returns the index of needle within haystack, starting from 1. If the needle is not found, returns 0.|
 |`SUBSTRING(expr, index, [length])`|Returns a substring of expr starting at index, with a max length, both measured in UTF-16 code units.|
 |`SUBSTR(expr, index, [length])`|Synonym for SUBSTRING.|
-|`TRIM([BOTH | LEADING | TRAILING] [<chars> FROM] expr)`|Returns expr with characters removed from the leading, trailing, or both ends of "expr" if they are in "chars". If "chars" is not provided, it defaults to " " (a space). If the directional argument is not provided, it defaults to "BOTH".|
+|`TRIM([BOTH \| LEADING \| TRAILING] [<chars> FROM] expr)`|Returns expr with characters removed from the leading, trailing, or both ends of "expr" if they are in "chars". If "chars" is not provided, it defaults to " " (a space). If the directional argument is not provided, it defaults to "BOTH".|
 |`BTRIM(expr[, chars])`|Alternate form of `TRIM(BOTH <chars> FROM <expr>`).|
 |`LTRIM(expr[, chars])`|Alternate form of `TRIM(LEADING <chars> FROM <expr>`).|
 |`RTRIM(expr[, chars])`|Alternate form of `TRIM(TRAILING <chars> FROM <expr>`).|