diff --git a/armi/cases/suite.py b/armi/cases/suite.py
index e17ed99b2..1a25f82a2 100644
--- a/armi/cases/suite.py
+++ b/armi/cases/suite.py
@@ -50,7 +50,6 @@ class CaseSuite:
 
     A CaseSuite is a collection that is keyed off Case titles.
 
-
     .. impl:: Dependence allows for one case to start after the completion of another
         :id: I_ARMI_CASE_SUITE
         :implements: R_ARMI_CASE_SUITE
diff --git a/armi/nuclearDataIO/cccc/dif3d.py b/armi/nuclearDataIO/cccc/dif3d.py
index ea96fca81..81848e28a 100644
--- a/armi/nuclearDataIO/cccc/dif3d.py
+++ b/armi/nuclearDataIO/cccc/dif3d.py
@@ -93,12 +93,7 @@ def __init__(self):
 
 
 class Dif3dStream(cccc.StreamWithDataContainer):
-    """Tool to read and write DIF3D files.
-
-    .. impl:: Tool to read and write DIF3D files.
-        :id: I_ARMI_NUCDATA_DIF3D
-        :implements: R_ARMI_NUCDATA_DIF3D
-    """
+    """Tool to read and write DIF3D files."""
 
     @staticmethod
     def _getDataContainer() -> Dif3dData:
diff --git a/armi/nuclearDataIO/cccc/dlayxs.py b/armi/nuclearDataIO/cccc/dlayxs.py
index 9fa9be7c0..51736b851 100644
--- a/armi/nuclearDataIO/cccc/dlayxs.py
+++ b/armi/nuclearDataIO/cccc/dlayxs.py
@@ -126,10 +126,6 @@ class Dlayxs(collections.OrderedDict):
     If you want an average over all nuclides, then you need to produce it using the properly-computed
     average contributions of each nuclide.
 
-    .. impl:: Tool to read and write DLAYXS files.
-        :id: I_ARMI_NUCDATA_DLAYXS
-        :implements: R_ARMI_NUCDATA_DLAYXS
-
     Attributes
     ----------
     nuclideFamily : dict
diff --git a/armi/nuclearDataIO/cccc/gamiso.py b/armi/nuclearDataIO/cccc/gamiso.py
index 013ad5215..b53eb0827 100644
--- a/armi/nuclearDataIO/cccc/gamiso.py
+++ b/armi/nuclearDataIO/cccc/gamiso.py
@@ -22,9 +22,9 @@
     :id: I_ARMI_NUCDATA_GAMISO
     :implements: R_ARMI_NUCDATA_GAMISO
 
-See [GAMSOR]_. 
+See [GAMSOR]_.
 
-.. [GAMSOR] Smith, M. A., Lee, C. H., and Hill, R. N. GAMSOR: Gamma Source Preparation and DIF3D Flux Solution. United States: 
+.. [GAMSOR] Smith, M. A., Lee, C. H., and Hill, R. N. GAMSOR: Gamma Source Preparation and DIF3D Flux Solution. United States:
             N. p., 2016. Web. doi:10.2172/1343095. `On OSTI <https://www.osti.gov/biblio/1343095-gamsor-gamma-source-preparation-dif3d-flux-solution>`_
 """
 
@@ -118,10 +118,6 @@ class _GamisoIO(isotxs.IsotxsIO):
     """
     A reader/writer for GAMISO data files.
 
-    .. impl:: Tool to read and write GAMISO files.
-        :id: I_ARMI_NUCDATA_GAMISO
-        :implements: R_ARMI_NUCDATA_GAMISO
-
     Notes
     -----
     The GAMISO file format is identical to ISOTXS.
diff --git a/armi/nuclearDataIO/cccc/geodst.py b/armi/nuclearDataIO/cccc/geodst.py
index eb7774f12..ee777bcad 100644
--- a/armi/nuclearDataIO/cccc/geodst.py
+++ b/armi/nuclearDataIO/cccc/geodst.py
@@ -111,10 +111,6 @@ class GeodstStream(cccc.StreamWithDataContainer):
     """
     Stream for reading to/writing from with GEODST data.
 
-    .. impl:: Tool to read and write GEODST files.
-        :id: I_ARMI_NUCDATA_GEODST
-        :implements: R_ARMI_NUCDATA_GEODST
-
     Parameters
     ----------
     geom : GeodstData
diff --git a/armi/nuclearDataIO/cccc/isotxs.py b/armi/nuclearDataIO/cccc/isotxs.py
index 50fedf060..3b3f42ee4 100644
--- a/armi/nuclearDataIO/cccc/isotxs.py
+++ b/armi/nuclearDataIO/cccc/isotxs.py
@@ -18,7 +18,7 @@
 ISOTXS is a binary file that contains multigroup microscopic cross sections.
 ISOTXS stands for  *Isotope Cross Sections*.
 
-ISOTXS files are often created by a lattice physics code such as MC2 or DRAGON and 
+ISOTXS files are often created by a lattice physics code such as MC2 or DRAGON and
 used as input to a global flux solver such as DIF3D.
 
 This module implements reading and writing of the
@@ -191,10 +191,6 @@ class IsotxsIO(cccc.Stream):
     """
     A semi-abstract stream for reading and writing to a :py:class:`~armi.nuclearDataIO.isotxs.Isotxs`.
 
-    .. impl:: Tool to read and write ISOTXS files.
-        :id: I_ARMI_NUCDATA_ISOTXS
-        :implements: R_ARMI_NUCDATA_ISOTXS
-
     Notes
     -----
     This is a bit of a special case compared to most other CCCC files because of the special
diff --git a/armi/nuclearDataIO/cccc/pmatrx.py b/armi/nuclearDataIO/cccc/pmatrx.py
index 732648d76..83836ba98 100644
--- a/armi/nuclearDataIO/cccc/pmatrx.py
+++ b/armi/nuclearDataIO/cccc/pmatrx.py
@@ -168,13 +168,6 @@ def _readWrite(lib, fileName, fileMode, getNuclideFunc):
 
 
 class PmatrxIO(cccc.Stream):
-    """Tool to read and write PMATRX files.
-
-    .. impl:: Tool to read and write PMATRX files.
-        :id: I_ARMI_NUCDATA_PMATRX
-        :implements: R_ARMI_NUCDATA_PMATRX
-    """
-
     def __init__(self, fileName, xsLib, fileMode, getNuclideFunc):
         cccc.Stream.__init__(self, fileName, fileMode)
         self._lib = xsLib
diff --git a/armi/nuclearDataIO/cccc/tests/test_gamiso.py b/armi/nuclearDataIO/cccc/tests/test_gamiso.py
index 1b4c71afd..6fd45bfa3 100644
--- a/armi/nuclearDataIO/cccc/tests/test_gamiso.py
+++ b/armi/nuclearDataIO/cccc/tests/test_gamiso.py
@@ -34,12 +34,6 @@ def setUp(self):
     def test_compare(self):
         """Compare the input binary GAMISO file.
 
-        .. test:: Test reading GAMISO files.
-            :id: T_ARMI_NUCDATA_GAMISO
-            :tests: R_ARMI_NUCDATA_GAMISO
-        """
-        """Compare the input binary GAMISO file.
-
         .. test:: Test reading GAMISO files.
             :id: T_ARMI_NUCDATA_GAMISO0
             :tests: R_ARMI_NUCDATA_GAMISO
diff --git a/armi/operators/operator.py b/armi/operators/operator.py
index f5f99012b..5e2adb6b4 100644
--- a/armi/operators/operator.py
+++ b/armi/operators/operator.py
@@ -77,7 +77,7 @@ class Operator:
         :id: I_ARMI_OPERATOR_COMM
         :implements: R_ARMI_OPERATOR_COMM
 
-    .. impl:: An operator is build from user settings.
+    .. impl:: An operator is built from user settings.
         :id: I_ARMI_OPERATOR_SETTINGS
         :implements: R_ARMI_OPERATOR_SETTINGS
 
@@ -402,7 +402,7 @@ def _timeNodeLoop(self, cycle, timeNode):
     def _performTightCoupling(self, cycle: int, timeNode: int, writeDB: bool = True):
         """If requested, perform tight coupling and write out database.
 
-        .. impl:: The operator shall allow coupling between physics systems.
+        .. impl:: The operator shall allow tight coupling between physics systems.
             :id: I_ARMI_OPERATOR_PHYSICS
             :implements: R_ARMI_OPERATOR_PHYSICS
 
diff --git a/armi/physics/neutronics/globalFlux/tests/test_globalFluxInterface.py b/armi/physics/neutronics/globalFlux/tests/test_globalFluxInterface.py
index 9accd8944..1c910766a 100644
--- a/armi/physics/neutronics/globalFlux/tests/test_globalFluxInterface.py
+++ b/armi/physics/neutronics/globalFlux/tests/test_globalFluxInterface.py
@@ -370,6 +370,7 @@ def test_calcReactionRates(self):
         .. test:: Return the reaction rates for a given ArmiObject
             :id: T_ARMI_FLUX_RX_RATES
             :tests: R_ARMI_FLUX_RX_RATES
+
         .. warning: This does not validate the reaction rate calculation.
         """
         b = test_blocks.loadTestBlock()
diff --git a/armi/plugins.py b/armi/plugins.py
index 6d99168f5..f8ed8bb69 100644
--- a/armi/plugins.py
+++ b/armi/plugins.py
@@ -141,11 +141,7 @@ class ArmiPlugin:
     An ArmiPlugin provides a namespace to collect hook implementations provided by a
     single "plugin". This API is incomplete, unstable, and expected to change.
 
-    .. impl:: Plugins have interfaces, to add code to the application.
-        :id: I_ARMI_PLUGIN
-        :implements: R_ARMI_PLUGIN
-
-    .. impl:: Plugins have interfaces, to add code to the application.
+    .. impl:: Plugins have interfaces to add code to the application.
         :id: I_ARMI_PLUGIN
         :implements: R_ARMI_PLUGIN
     """
@@ -156,14 +152,6 @@ def exposeInterfaces(cs) -> List:
         """
         Function for exposing interface(s) to other code.
 
-        .. impl:: Plugins have interfaces to the operator.
-            :id: I_ARMI_PLUGIN_INTERFACES
-            :implements: R_ARMI_PLUGIN_INTERFACES
-
-        .. impl:: Define an arbitrary physical parameter.
-            :id: I_ARMI_PARAM
-            :implements: R_ARMI_PARAM
-
         .. impl:: Plugins have interfaces to the operator.
             :id: I_ARMI_PLUGIN_INTERFACES
             :implements: R_ARMI_PLUGIN_INTERFACES
diff --git a/armi/reactor/components/component.py b/armi/reactor/components/component.py
index 82defccd4..f2a2f531a 100644
--- a/armi/reactor/components/component.py
+++ b/armi/reactor/components/component.py
@@ -1177,7 +1177,7 @@ def getIntegratedMgFlux(self, adjoint=False, gamma=False):
     def density(self):
         """Returns the mass density of the object in g/cc.
 
-        .. impl:: Material densitiy is retrievable
+        .. impl:: Material density is retrievable
             :id: I_ARMI_COMP_MAT1
             :implements: R_ARMI_COMP_MAT
         """
diff --git a/armi/reactor/parameters/parameterDefinitions.py b/armi/reactor/parameters/parameterDefinitions.py
index 232bcf002..f3305d41c 100644
--- a/armi/reactor/parameters/parameterDefinitions.py
+++ b/armi/reactor/parameters/parameterDefinitions.py
@@ -340,7 +340,7 @@ def __get__(self, obj, cls=None):
     def setter(self, setter):
         """Decorator method for assigning setter.
 
-        .. impl:: Provide a way to signal if a parameter needs updated across processes.
+        .. impl:: Provide a way to signal if a parameter needs updating across processes.
             :id: I_ARMI_PARAM_PARALLEL
             :implements: R_ARMI_PARAM_PARALLEL
 
diff --git a/armi/reactor/tests/test_components.py b/armi/reactor/tests/test_components.py
index fe19c2c4c..2c7f3a3ef 100644
--- a/armi/reactor/tests/test_components.py
+++ b/armi/reactor/tests/test_components.py
@@ -347,7 +347,7 @@ def test_volumeAfterClearCache(self):
         """
         Test volume after cache has been cleared.
 
-        .. test:: Clear cache after a dimenions updated
+        .. test:: Clear cache after a dimensions updated
             :id: T_ARMI_COMP_VOL1
             :tests: R_ARMI_COMP_VOL
         """