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-rw-r--r--contrib/dbsize/README.dbsize6
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/dbsize/README.dbsize b/contrib/dbsize/README.dbsize
index 879341cd02e..63a9b9e567d 100644
--- a/contrib/dbsize/README.dbsize
+++ b/contrib/dbsize/README.dbsize
@@ -8,4 +8,8 @@ These functions report the actual file system space. Thus, users can
avoid digging through the details of the database directories.
Copy this directory to contrib/dbsize in your PostgreSQL source tree.
-Then just run make; make install.
+Then just run make; make install. Finally, load the functions into any
+database using dbsize.sql.
+
+When computing the size of a table, it does not include TOAST or index
+disk space.