Updates README

Signed-off-by: Ian Bibby <[email protected]>

Author: ianbibby

README.md

@@ -145,7 +145,7 @@ This will build the docker image as `prometheuscommunity/postgres_exporter:${bra
   Enable the `stat_database` collector (default: enabled).
 
 * `[no-]collector.stat_progress_vacuum`
-  Enable the `stat_progress_vacuum` collector (default: disabled).
+  Enable the `stat_progress_vacuum` collector (default: enabled).
 
 * `[no-]collector.stat_statements`
   Enable the `stat_statements` collector (default: disabled).