diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index e3650ab..748dd85 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -614,7 +614,7 @@
         # Build it.
         #   Capture the output of the 'docker build' command and send it to
         #   stderr (prefixed with the package name).  This allows us to see
-        #   progress but not polute stdout.  Later on we output the final
+        #   progress but not pollute stdout.  Later on we output the final
         #   docker tag to stdout and we want to keep that pristine.
         #
         #   Other unusual flags:
@@ -853,7 +853,7 @@
 
 if is_automated_ci_build:
     dockerfile_base += f"""
-# Run an arbitrary command to polute the docker cache regularly force us
+# Run an arbitrary command to pollute the docker cache regularly force us
 # to re-run `apt-get update` daily.
 RUN echo {Docker.timestamp()}
 RUN apt-get update && apt-get dist-upgrade -yy