diff --git a/virtualization/Docker/setup_docker_prereqs b/virtualization/Docker/setup_docker_prereqs
index 0cb49fde54e..15504ea57af 100755
--- a/virtualization/Docker/setup_docker_prereqs
+++ b/virtualization/Docker/setup_docker_prereqs
@@ -46,7 +46,7 @@ apt-get install -y --no-install-recommends ${PACKAGES[@]} ${PACKAGES_DEV[@]}
 # This is a list of scripts that install additional dependencies. If you only
 # need to install a package from the official debian repository, just add it
 # to the list above. Only create a script if you need compiling, manually
-# downloading or a 3th party repository.
+# downloading or a 3rd party repository.
 if [ "$INSTALL_TELLSTICK" == "yes" ]; then
   virtualization/Docker/scripts/tellstick
 fi