diff --git a/traceql/clickhouse_transpiler/shared.js b/traceql/clickhouse_transpiler/shared.js
index 13dbc410..dacbac44 100644
--- a/traceql/clickhouse_transpiler/shared.js
+++ b/traceql/clickhouse_transpiler/shared.js
@@ -70,6 +70,10 @@ module.exports.standardBuilder = (fn) => {
       return this
     }
 
+    /**
+     *
+     * @returns {BuiltProcessFn}
+     */
     build () {
       return (ctx) => {
         const sel = this.main ? this.main(ctx) : null
diff --git a/traceql/traceql.bnf b/traceql/traceql.bnf
index 529f687c..d9f21c12 100644
--- a/traceql/traceql.bnf
+++ b/traceql/traceql.bnf
@@ -9,7 +9,7 @@ and_or ::= "&&" | "||"
 aggregator ::= "|" <OWSP> <fn> <OWSP> <attr> <OWSP> <cmp> <OWSP> <cmp_val>
 fn ::= "count"|"sum"|"min"|"max"|"avg"
 attr ::= "(" <OWSP> [ <label_name> ] <OWSP> ")"
-cmp ::= "="|"!="|"<"|"<="|">"|">="
+cmp ::= "="|"!="|"<="|">="|"<"|">"
 cmp_val ::= <number> [<measurement>]
 measurement ::= "ns"|"us"|"ms"|"s"|"m"|"h"|"d"