diff --git a/.gitignore b/.gitignore
index 2413634..f85386d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ site/
 docs/api/*
 docs/config_tables.rst
 docs/generated
+docs/sg_execution_times.rst
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
diff --git a/examples/configure_simulation.py b/examples/configure_simulation.py
index b88b3f5..3d298d1 100644
--- a/examples/configure_simulation.py
+++ b/examples/configure_simulation.py
@@ -27,7 +27,7 @@
 # Mm loop lasting 5000 s heated by a single 200 s nanoflare
 # solved on an adaptive grid.
 # A complete list of configuration parameters can be found in
-# the `configuration-tables`_ page.
+# the :ref:`configuration-tables` page.
 config_dict = {
     'general': {
         'loop_length': 80*u.Mm,
diff --git a/examples/parse_simulation.py b/examples/parse_simulation.py
index 45ae81a..dcf72ef 100644
--- a/examples/parse_simulation.py
+++ b/examples/parse_simulation.py
@@ -125,7 +125,7 @@
 # single time step as a function of field-aligned coordinate.
 # The `~pydrad.parse.Profile` object provides a simple quicklook
 # method for this,
-s[0].peek()
+p.peek()
 
 #################################################################
 # Similarly, we can call this method on a `~pydrad.parse.Strand` to
diff --git a/pydrad/parse/util.py b/pydrad/parse/util.py
index c86ae30..978d1aa 100644
--- a/pydrad/parse/util.py
+++ b/pydrad/parse/util.py
@@ -34,8 +34,6 @@ def read_amr_file(filename):
         'electron_energy_density',
         'ion_energy_density',
     ]
-    # FIXME: Get actual names for these additional columns
-    columns += [f'col{i}' for i in range(6,19)]
     units = {
         'grid_centers': 'cm',
         'grid_widths': 'cm',
@@ -44,13 +42,21 @@ def read_amr_file(filename):
         'electron_energy_density': 'erg cm-3',
         'ion_energy_density': 'erg cm-3',
     }
-    return astropy.table.QTable.read(
+    table = astropy.table.QTable.read(
         filename,
         format='ascii',
         data_start=4,
-        names=columns,
-        units=units,
     )
+    # NOTE: This is done after creating the table because the
+    # remaining number of columns can be variable and thus we
+    # cannot assign all of the column names at once.
+    table.rename_columns(
+        table.colnames[:len(columns)],
+        columns,
+    )
+    for column in columns:
+        table[column].unit = units[column]
+    return table
 
 
 def read_phy_file(filename):