diff --git a/docs/_static/decision_tree_demo_external_regressors_motion_task_models.tex b/docs/_static/decision_tree_demo_external_regressors_motion_task_models.tex
index 364366df2..2bb2afaf4 100644
--- a/docs/_static/decision_tree_demo_external_regressors_motion_task_models.tex
+++ b/docs/_static/decision_tree_demo_external_regressors_motion_task_models.tex
@@ -68,7 +68,7 @@
 \node(chrej9)[changeclass, below of=9, xshift=0cm, yshift=-2cm]{Provisional reject};
 \node(chacc9)[changeclass, right of=9, xshift=3cm, yshift=0cm]{Provisional accept};
 % ----- node: 10
-\node(10)[decision, below of=chacc9,label={150:$node\ 10$},label={[align=center] 310: Reject if\\fits external\\nuissance\\regressors},yshift=-2cm]{F test for\\Nuisance Regressors\\$p_{Full} \leq 0.05$\\$R^2_{Full} \geq 0.5$};
+\node(10)[decision, below of=chacc9,label={150:$node\ 10$},label={[align=center] 310: Reject if\\fits external\\nuisance\\regressors},yshift=-2cm]{F test for\\Nuisance Regressors\\$p_{Full} \leq 0.05$\\$R^2_{Full} \geq 0.5$};
 \node(chrej10)[changeclass, below of=10, xshift=0cm, yshift=-2cm, align=center]{External regressors\\$\rightarrow$Provisional reject};
 % ----- node: 11
 \node(11)[decision, left of=chrej10,label={180:$node\ 11$},xshift=-3cm]{Partial F test for\\Motion Regressors\\$p_{Full} \leq 0.05$\\$R^2_{Full} \geq 0.5$\\$p_{Motion} \leq 0.05$};
diff --git a/docs/included_decision_trees.rst b/docs/included_decision_trees.rst
index 607af8e87..837769892 100644
--- a/docs/included_decision_trees.rst
+++ b/docs/included_decision_trees.rst
@@ -23,9 +23,9 @@ there are two demonstration decision trees that implement this new functionality
 While these might work well, since they have not yet been validated on data, they
 are labeled ``demo``.
 ``decision_tree_demo_external_regressors_single_model``
-demonstrates fitting all nuissance regressors to a single model.
+demonstrates fitting all nuisance regressors to a single model.
 ``decision_tree_demo_external_regressors_motion_task_models``
-demonstrates fitting nuissance regressors to a model,
+demonstrates fitting nuisance regressors to a model,
 partial tests and tagging for components that fit Motion or CSF regressors,
 and retention of some components that fit task regressors.
 
diff --git a/tedana/resources/decision_trees/demo_external_regressors_motion_task_models.json b/tedana/resources/decision_trees/demo_external_regressors_motion_task_models.json
index 6d271dd68..87b548961 100644
--- a/tedana/resources/decision_trees/demo_external_regressors_motion_task_models.json
+++ b/tedana/resources/decision_trees/demo_external_regressors_motion_task_models.json
@@ -31,7 +31,7 @@
     "external_regressor_config": [
         {
             "regress_ID": "nuisance",
-            "info": "Fits all external nuissance regressors to a single model using an F statistic",
+            "info": "Fits all external nuisance regressors to a single model using an F statistic",
             "report": "External nuisance regressors that fit to components using a linear model were rejected.",
             "detrend": true,
             "statistic": "F",
diff --git a/tedana/resources/decision_trees/demo_external_regressors_single_model.json b/tedana/resources/decision_trees/demo_external_regressors_single_model.json
index fb468a7f8..1900ca2e5 100644
--- a/tedana/resources/decision_trees/demo_external_regressors_single_model.json
+++ b/tedana/resources/decision_trees/demo_external_regressors_single_model.json
@@ -19,7 +19,7 @@
     "external_regressor_config": [
         {
             "regress_ID": "nuisance",
-            "info": "Fits all external nuissance regressors to a single model using an F statistic",
+            "info": "Fits all external nuisance regressors to a single model using an F statistic",
             "report": "External nuisance regressors that fit to components using a linear model were rejected.",
             "detrend": true,
             "statistic": "F",
diff --git a/tedana/tests/test_component_selector.py b/tedana/tests/test_component_selector.py
index 36ef349e1..f536339e1 100644
--- a/tedana/tests/test_component_selector.py
+++ b/tedana/tests/test_component_selector.py
@@ -65,7 +65,7 @@ def dicts_to_test(treechoice):
             {
                 "regress_ID": "nuisance",
                 "info": (
-                    "Fits all external nuissance regressors to "
+                    "Fits all external nuisance regressors to "
                     "a single model using an F statistic"
                 ),
                 "report": (