diff --git a/docs/source_docs/user_guide/inputs/advanced.rst b/docs/source_docs/user_guide/inputs/advanced.rst
index b650fdc3fcb8529978e0685044ef2aaaa1e7d096..ee1ef6b55ae503f3a503881c6afb52798051c772 100644
--- a/docs/source_docs/user_guide/inputs/advanced.rst
+++ b/docs/source_docs/user_guide/inputs/advanced.rst
@@ -16,7 +16,7 @@ The following inputs must be preceded by "mfix."
 | ooo_debug              |  If true then print the name of the routine we are in                 |   Bool      | False        |
 +------------------------+-----------------------------------------------------------------------+-------------+--------------+
 | only_print_grid_report |  Do not time-march the simulation. Simply generate the grid report    |   Bool      | False        |
-|                        |  and exit.                                                            |             | False        |
+|                        |  and exit.                                                            |             |              |
 +------------------------+-----------------------------------------------------------------------+-------------+--------------+
 
 
@@ -29,7 +29,7 @@ The following inputs must be preceded by "amrex."
 +------------------------+-----------------------------------------------------------------------+-------------+--------------+
 | fpe_trap_zero          |  Abort if a division by zero is computed.                             |  Int        | 0            |
 +------------------------+-----------------------------------------------------------------------+-------------+--------------+
-| fpe_trap_overflow      |  Abort if and overflow is detected.                                   |  Int        | 0            |
+| fpe_trap_overflow      |  Abort if an overflow is detected.                                    |  Int        | 0            |
 +------------------------+-----------------------------------------------------------------------+-------------+--------------+
 
 GPU memory
@@ -37,15 +37,17 @@ GPU memory
 
 The following inputs must be preceded by "amrex."
 
-+----------------------------+-----------------------------------------------------------------------+-------------+--------------+
-|                            | Description                                                           |   Type      | Default      |
-+============================+=======================================================================+=============+==============+
-| the_arena_is_managed       | Abort if an invalid floating point exception is encountered.          |  Int        | 0            |
-+----------------------------+-----------------------------------------------------------------------+-------------+--------------+
-| the_arena_init_size        | Abort if and overflow is detected.                                    |  Int        | 0            |
-+----------------------------+-----------------------------------------------------------------------+-------------+--------------+
-| abort_on_out_of_gpu_memory | Abort if a division by zero is computed.                              |  Int        | 0            |
-+----------------------------+-----------------------------------------------------------------------+-------------+--------------+
++----------------------------+-----------------------------------------------------------------------+-------------+---------------+
+|                            | Description                                                           |   Type      | Default       |
++============================+=======================================================================+=============+===============+
+| the_arena_is_managed       | Use managed memory for the main arena.                                |  Int        | 0             |
++----------------------------+-----------------------------------------------------------------------+-------------+---------------+
+| the_arena_init_size        | Main memory arena's initial size in bytes.                            |  Int        | 3/4 of system |
+|                            |                                                                       |             | device memory |
++----------------------------+-----------------------------------------------------------------------+-------------+---------------+
+| abort_on_out_of_gpu_memory | Abort if free device memory is less than the amount an arena is       |  Int        | 0             |
+|                            | asked to allocate.                                                    |             |               |
++----------------------------+-----------------------------------------------------------------------+-------------+---------------+
 
 
 Load balancing