Added the ability to generate ERDs for tables. #4756

docs/en_US/preferences.rst

@@ -196,6 +196,10 @@ Use the fields on the *Options* panel to manage ERD preferences.
   generated by the ERD Tool will add DROP table DDL before each CREATE
   table DDL.
 
+* *Table Relation Depth* is useful when generating an ERD for a table.
+  It allows to set the limit on the depth level pgAdmin should traverse
+  to find the relations. Use -1 to set no limit.
+
 The Graphs Node
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