README.md in strong_migrations-0.1.7 vs README.md in strong_migrations-0.1.8

- old
+ new

@@ -19,9 +19,10 @@
 - adding a column with a non-null default value to an existing table
 - changing the type of a column
 - renaming a table
 - renaming a column
 - removing a column
+- executing arbitrary SQL
 - adding an index non-concurrently (Postgres only)
 - adding a `json` column to an existing table (Postgres only)
 
 For more info, check out:
 