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

@@ -12,7 +12,7 @@
   dj.U('home_city', 'home_state').aggr(university.Student, 'count(*)->n')
 
   % Total number of students from each state
-  U('home_state').aggr(university.Student, 'count(*)->n')
+  aggr(U('home_state'), university.Student, 'count(*)->n')
 
   % Total number of students in the database
 aggr(U(), university.Student, 'count(*)->n')