Update docs-parts/queries/11-Universal-Sets_lang1.rst

Co-Authored-By: austin-hilberg <[email protected]>

Author: dimitri-yatsenko

docs-parts/queries/11-Universal-Sets_lang1.rst

@@ -9,7 +9,7 @@
   dj.U('home_city', 'home_state') & university.Student
 
   % Total number of students from each city
-  dj.U('home_city', 'home_state').aggr(university.Student, 'count(*)->n')
+aggr(dj.U('home_city', 'home_state'), university.Student, 'count(*)->n')
 
   % Total number of students from each state
   aggr(U('home_state'), university.Student, 'count(*)->n')