add quotes to SQL date in README

2019-03-19 13:03:32 -04:00 · 2019-03-19 13:03:32 -04:00 · e2d288ce50
parent cbaac58d5f
commit e2d288ce50
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -747,7 +747,7 @@ version is self-contained (see the Diffing section above for more) you can
 simply delete any records you don't want any more.  For example:

 ```sql
-sql> delete from versions where created_at < 2010-06-01;
+sql> delete from versions where created_at < '2010-06-01';
 ```

 ```ruby