Documentation: dm-crypt.rst warning + error fix

While building kernel documention using make htmldocs command, I was
getting unexpected indentation error. Single description was given for
two module parameters with wrong indentation. So, I corrected the
indentation of both parameters and the description.

Signed-off-by: Shibu kumar <[e-mail]>
Signed-off-by: Daniel Yang <[e-mail]>
Signed-off-by: Mikulas Patocka <[e-mail]>
Fixes: 0d815e3400e6 ("dm-crypt: limit the size of encryption requests")

Documentation/admin-guide/device-mapper/dm-crypt.rst

···
 
 
 Module parameters::
-max_read_size
-max_write_size
-   Maximum size of read or write requests. When a request larger than this size
-   is received, dm-crypt will split the request. The splitting improves
-   concurrency (the split requests could be encrypted in parallel by multiple
-   cores), but it also causes overhead. The user should tune these parameters to
-   fit the actual workload.
+
+   max_read_size
+   max_write_size
+      Maximum size of read or write requests. When a request larger than this size
+      is received, dm-crypt will split the request. The splitting improves
+      concurrency (the split requests could be encrypted in parallel by multiple
+      cores), but it also causes overhead. The user should tune these parameters to
+      fit the actual workload.
 
 
 Example scripts