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Changed comment section to be more explicit. I had an issue with roll…

…ing back a migration and couldn't understand why 'rake db:reset' didn't work.
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1 parent cc81af2 commit c570ba70fe6ed53fd1ac5f30f0c9ba4cb7cd4796 @johngallagher johngallagher committed Oct 27, 2012
Showing with 3 additions and 2 deletions.
  1. +3 −2 guides/source/migrations.md
@@ -684,8 +684,9 @@ version to migrate to.
The `rake db:reset` task will drop the database, recreate it and load the
current schema into it.
-NOTE: This is not the same as running all the migrations - see the section on
-[schema.rb](#schema-dumping-and-you).
+NOTE: This is not the same as running all the migrations. It will only use the contents
+of the current schema.rb file. If a migration can't be rolled back, 'rake db:reset'
+may not help you. To find out more about dumping the schema see [schema.rb](#schema-dumping-and-you).
### Running Specific Migrations

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