diff --git a/README.md b/README.md
index e950804..1369cf0 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ srczap manages a local copy of the
 [HardenedBSD source tree](https://git.hardenedbsd.org/hardenedbsd/HardenedBSD).
 The copy of the source tree is maintained by members of
 the `_srczap` group, and a copy of the source tree
-can be installed to `/usr/src/` by root.
+can be installed into `/usr/src/` by root.
 
 ## Examples
 
diff --git a/bin/setup-srczap b/bin/setup-srczap
index 7201024..59418ef 100755
--- a/bin/setup-srczap
+++ b/bin/setup-srczap
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/bin/srczap b/bin/srczap
index 0358488..623f39d 100755
--- a/bin/srczap
+++ b/bin/srczap
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/git-changed-files b/libexec/srczap/git-changed-files
index 4dc3197..e853a9f 100644
--- a/libexec/srczap/git-changed-files
+++ b/libexec/srczap/git-changed-files
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/git-removed-files b/libexec/srczap/git-removed-files
index aa0ff05..3ab177f 100644
--- a/libexec/srczap/git-removed-files
+++ b/libexec/srczap/git-removed-files
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/git-rev b/libexec/srczap/git-rev
index 9f1437d..e35d6f7 100644
--- a/libexec/srczap/git-rev
+++ b/libexec/srczap/git-rev
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/issrczap-member b/libexec/srczap/issrczap-member
index 535f6a5..d8d63dc 100644
--- a/libexec/srczap/issrczap-member
+++ b/libexec/srczap/issrczap-member
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 group="_srczap"
 if id -Gn | \
diff --git a/libexec/srczap/srczap-clone b/libexec/srczap/srczap-clone
index e88920e..2228c42 100755
--- a/libexec/srczap/srczap-clone
+++ b/libexec/srczap/srczap-clone
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/srczap-erase b/libexec/srczap/srczap-erase
index 54349b6..c05af98 100644
--- a/libexec/srczap/srczap-erase
+++ b/libexec/srczap/srczap-erase
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/srczap-install b/libexec/srczap/srczap-install
index 9ed06ae..8b7c0f3 100755
--- a/libexec/srczap/srczap-install
+++ b/libexec/srczap/srczap-install
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/libexec/srczap/srczap-pull b/libexec/srczap/srczap-pull
index 84047ef..97a56fc 100755
--- a/libexec/srczap/srczap-pull
+++ b/libexec/srczap/srczap-pull
@@ -1,4 +1,5 @@
-#!/bin/sh -e
+#!/bin/sh
+set -e
 
 ##
 # variables
diff --git a/man/man8/srczap.8 b/man/man8/srczap.8
index edcdcb5..bdc9fde 100644
--- a/man/man8/srczap.8
+++ b/man/man8/srczap.8
@@ -18,7 +18,7 @@ srczap erase
 manages a copy of the HardenedBSD source tree.
 The copy of the source tree is maintained by members of
 the '_srczap' group, and a copy of the source tree
-can be installed to /usr/src/ by root.
+can be installed into /usr/src/ by root.
 .Sh EXAMPLES
 .sp
 .sp