diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33091a0..3602213 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## 0.4.0 (unreleased)
 
 - Changed text representation for vector elements to match `real`
-- Changed storage for vector from `plain` to `extended` for new installations
+- Changed storage for vector from `plain` to `extended`
 - Improved accuracy of text parsing for certain inputs
 - Added `avg` aggregate for vector
 - Added experimental support for Windows
diff --git a/sql/vector--0.3.2--0.4.0.sql b/sql/vector--0.3.2--0.4.0.sql
index 278c7d0..8a08cd0 100644
--- a/sql/vector--0.3.2--0.4.0.sql
+++ b/sql/vector--0.3.2--0.4.0.sql
@@ -1,8 +1,8 @@
 -- complain if script is sourced in psql, rather than via CREATE EXTENSION
 \echo Use "ALTER EXTENSION vector UPDATE TO '0.4.0'" to load this file. \quit
 
--- requires Postgres 13+
--- ALTER TYPE vector SET (STORAGE = extended);
+-- comment out this single line for Postgres < 13
+ALTER TYPE vector SET (STORAGE = extended);
 
 CREATE FUNCTION vector_accum(double precision[], vector) RETURNS double precision[]
 	AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;