diff --git a/examples/assembly/assembly.py b/examples/assembly/assembly.py
index d4c8fe5b9..31984543a 100644
--- a/examples/assembly/assembly.py
+++ b/examples/assembly/assembly.py
@@ -58,7 +58,7 @@ def fuel_pin():
 
 
 def guide_tube_pin():
-    """Returns a control rode guide tube pin universe"""
+    """Returns a control rod guide tube universe."""
 
     gt_inner_cell = openmc.Cell(fill=hot_water, region=-fuel_or)
     gt_clad_cell = openmc.Cell(fill=clad, region=+fuel_or & -clad_or)
@@ -105,7 +105,7 @@ def assembly_model():
     # Create a cell filled with the lattice
     main_cell = openmc.Cell(fill=assembly, region=outer_boundary)
 
-    # Finally, create geometry by giving a list of cells filling the root
+    # Finally, create geometry by providing a list of cells that fill the root
     # universe
     model.geometry = openmc.Geometry([main_cell])
 
diff --git a/examples/custom_source/show_flux.py b/examples/custom_source/show_flux.py
index 9c49e1978..bf8ee4f81 100644
--- a/examples/custom_source/show_flux.py
+++ b/examples/custom_source/show_flux.py
@@ -15,4 +15,4 @@ plt.show()
 
 # If all worked well, you should see a ring "imprint" as well as a higher flux
 # to the right side (since the custom source has all particles moving in the
-# positive x direction))
+# positive x direction)