diff --git a/etc/devel.conf b/etc/devel.conf
index 93ca087..e41f163 100644
--- a/etc/devel.conf
+++ b/etc/devel.conf
@@ -4,7 +4,7 @@
 #############################################################################
 [DEFAULT]
 
-# Not used by directly, but is typically referenced below in %()s format.
+# Not used directly, but is typically referenced below in %()s format.
 install.dir=.
 
 #############################################################################
diff --git a/etc/inbucket.conf b/etc/inbucket.conf
index ae84d21..e23649b 100644
--- a/etc/inbucket.conf
+++ b/etc/inbucket.conf
@@ -4,7 +4,7 @@
 #############################################################################
 [DEFAULT]
 
-# Not used by directly, but is typically referenced below in %()s format.
+# Not used directly, but is typically referenced below in %()s format.
 install.dir=.
 
 #############################################################################
diff --git a/etc/unix-sample.conf b/etc/unix-sample.conf
index 43447d0..14996d1 100644
--- a/etc/unix-sample.conf
+++ b/etc/unix-sample.conf
@@ -4,7 +4,7 @@
 #############################################################################
 [DEFAULT]
 
-# Not used by directly, but is typically referenced below in %()s format.
+# Not used directly, but is typically referenced below in %()s format.
 install.dir=/opt/inbucket
 
 #############################################################################
diff --git a/etc/win-sample.conf b/etc/win-sample.conf
index 1f16408..235a486 100644
--- a/etc/win-sample.conf
+++ b/etc/win-sample.conf
@@ -4,7 +4,7 @@
 #############################################################################
 [DEFAULT]
 
-# Not used by directly, but is typically referenced below in %()s format.
+# Not used directly, but is typically referenced below in %()s format.
 install.dir=.
 
 #############################################################################