Update modules/ROOT/pages/errors/gql-errors.adoc

Co-authored-by: Louise Berglund <[email protected]>

Author: renetapopova

modules/ROOT/pages/errors/gql-errors.adoc

@@ -399,7 +399,7 @@ Status description:: error: syntax error or access rule violation - invalid inpu
 
 === 42I18
 
-Status description:: error: syntax error or access rule violation - invalid reference to implicitly grouped expressions. The aggregation column contains implicit grouping expressions referenced by the variables `{ $varList }`. Implicit grouping expressions are variables not explicitly declared as grouping keys.
+Status description:: error: syntax error or access rule violation - invalid reference to implicitly grouped expressions. The aggregation column contains implicit grouping expressions referenced by the variables `{ $variableList }`. Implicit grouping expressions are variables not explicitly declared as grouping keys.
 
 
 === 42I20