diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index 891aab85e..4f0a68573 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -593,8 +593,7 @@ BootstrapArchCommon() {
   #   - ArchLinux (x86_64)
   #
   # "python-virtualenv" is Python3, but "python2-virtualenv" provides
-  # only "virtualenv2" binary, not "virtualenv" necessary in
-  # ./tools/_venv_common.py
+  # only "virtualenv2" binary, not "virtualenv".
 
   deps="
     python2
diff --git a/letsencrypt-auto-source/pieces/bootstrappers/arch_common.sh b/letsencrypt-auto-source/pieces/bootstrappers/arch_common.sh
index c55527590..3be78d3f8 100755
--- a/letsencrypt-auto-source/pieces/bootstrappers/arch_common.sh
+++ b/letsencrypt-auto-source/pieces/bootstrappers/arch_common.sh
@@ -7,8 +7,7 @@ BootstrapArchCommon() {
   #   - ArchLinux (x86_64)
   #
   # "python-virtualenv" is Python3, but "python2-virtualenv" provides
-  # only "virtualenv2" binary, not "virtualenv" necessary in
-  # ./tools/_venv_common.py
+  # only "virtualenv2" binary, not "virtualenv".
 
   deps="
     python2