diff --git a/doc/src/contributors.md b/doc/src/contributors.md
index b4fd20e..492a70f 100644
--- a/doc/src/contributors.md
+++ b/doc/src/contributors.md
@@ -7,3 +7,4 @@ The following people have contributed to the development of **row**:
 * Joseph Burkhart, University of Michigan
 * Kate Jensen, University of Michigan
 * Tim Moore, University of Michigan
+* Corwin Kerr, University of Michigan
diff --git a/doc/src/guide/concepts/hoomd-example.py b/doc/src/guide/concepts/hoomd-example.py
index a7ef4e2..3d8cba3 100644
--- a/doc/src/guide/concepts/hoomd-example.py
+++ b/doc/src/guide/concepts/hoomd-example.py
@@ -17,7 +17,7 @@ def action_implementation(job, communicator):
 
 def action(*jobs):
     """Execute actions on directories in parallel using HOOMD-blue."""
-    processes_per_directory = os.environ['ACTION_PROCESSES_PER_DIRECTORY']
+    processes_per_directory = int(os.environ['ACTION_PROCESSES_PER_DIRECTORY'])
     communicator = hoomd.communicator.Communicator(ranks_per_partition=processes_per_directory)
     action_implementation(jobs[communicator.partition], communicator)
     # ANCHOR_END: action
diff --git a/doc/src/guide/concepts/multiprocessing-example.py b/doc/src/guide/concepts/multiprocessing-example.py
index 8c51331..308b99d 100644
--- a/doc/src/guide/concepts/multiprocessing-example.py
+++ b/doc/src/guide/concepts/multiprocessing-example.py
@@ -15,7 +15,7 @@ def action_implementation(job):
 
 def action(*jobs):
     """Process any number of jobs in parallel with the multiprocessing package."""
-    processes = os.environ.get('ACTION_THREADS_PER_PROCESS', multiprocessing.cpu_count())
+    processes = int(os.environ.get('ACTION_THREADS_PER_PROCESS', multiprocessing.cpu_count()))
     if hasattr(os, 'sched_getaffinity'):
         processes = len(os.sched_getaffinity(0))
 
diff --git a/doc/src/release-notes.md b/doc/src/release-notes.md
index f512c3c..b39a1ea 100644
--- a/doc/src/release-notes.md
+++ b/doc/src/release-notes.md
@@ -19,6 +19,7 @@
   properly escaped in the bash script output.
 * Typographical errors in the documentation.
 * The documentation now builds correctly with mdbook 0.4.43.
+* Example code converts environment variables to ints where needed.
 
 ## 0.3.1 (2024-10-04)