README.md in cloudformation-ruby-dsl-1.4.6 vs README.md in cloudformation-ruby-dsl-1.5.0

@@ -43,12 +43,12 @@
     0 - no differences, nothing to update
     1 - stack does not exist, template Validation error
     2 - there are differences between an existing stack and your template
 ```
 - `validate`: run validation against the stack definition
-- `create`: create a new stack from the output
-- `update`: update an existing stack from the output. Produces following exit codes:
+- `create`: create a new stack from the output (takes optional `--s3-bucket` to upload the template to the specified S3 bucket prior to creating the stack)
+- `update`: update an existing stack from the output (takes optional `--s3-bucket` to upload the template to the specified S3 bucket prior to creating the stack). Produces following exit codes:
 ```
     0 - update finished successfully
     1 - no updates to perform, stack doesn't exist, unable to update immutable parameter or tag, AWS ServiceError exception
 ```
 - `cancel-update`: cancel updating a stack
@@ -60,10 +60,10 @@
 Command line options similar to cloudformation commands, but parsed by the dsl.
 - `--profile`
 - `--stack-name`
 - `--region`
 - `--parameters`
-- `--tag  `
+- `--tag`
 
 Any other parameters are passed directly onto cloudformation. (--disable-rollback for instance)
 
 Using the ruby scripts:
 ```