diff --git a/tests/Integrity_-_When_adjusted_remotely.test b/tests/Integrity_-_When_adjusted_remotely.test
index 5c28a5a..cf7fc02 100755
--- a/tests/Integrity_-_When_adjusted_remotely.test
+++ b/tests/Integrity_-_When_adjusted_remotely.test
@@ -6,9 +6,9 @@
 # Dummy assignments for "shellcheck".
 testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"; workFile2="${workFile2:-.tmp2}"; workFile3="${workFile3:-.tmp3}"; workFile4="${workFile4:-.tmp4}"
 
-# Do nothing if IPC is not supported.
+# Do nothing if it is not supported.
 if ! "${testSubject}" -h 2>/dev/null | grep -Eq "^  -R,"; then
-	echo "IPC is not supported on this platform"
+	echo "Not supported on this platform"
 	exit 77
 fi
 
diff --git a/tests/Memory_safety_-_Remote_control_receiver.test b/tests/Memory_safety_-_Remote_control_receiver.test
index c45bda6..4b8fb7c 100755
--- a/tests/Memory_safety_-_Remote_control_receiver.test
+++ b/tests/Memory_safety_-_Remote_control_receiver.test
@@ -5,9 +5,9 @@
 # Dummy assignments for "shellcheck".
 sourcePath="${sourcePath:-.}"; testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"; workFile2="${workFile2:-.tmp2}"; workFile3="${workFile3:-.tmp3}"; workFile4="${workFile4:-.tmp4}"
 
-# Do nothing if IPC is not supported.
+# Do nothing if it is not supported.
 if ! "${testSubject}" -h 2>/dev/null | grep -Eq "^  -R,"; then
-	echo "IPC is not supported on this platform"
+	echo "Not supported on this platform"
 	exit 77
 fi
 
diff --git a/tests/Memory_safety_-_Remote_control_sender.test b/tests/Memory_safety_-_Remote_control_sender.test
index d347a9c..dce2b87 100755
--- a/tests/Memory_safety_-_Remote_control_sender.test
+++ b/tests/Memory_safety_-_Remote_control_sender.test
@@ -6,9 +6,9 @@
 # Dummy assignments for "shellcheck".
 sourcePath="${sourcePath:-.}"; testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"; workFile2="${workFile2:-.tmp2}"; workFile3="${workFile3:-.tmp3}"; workFile4="${workFile4:-.tmp4}"
 
-# Do nothing if IPC is not supported.
+# Do nothing if it is not supported.
 if ! "${testSubject}" -h 2>/dev/null | grep -Eq "^  -R,"; then
-	echo "IPC is not supported on this platform"
+	echo "Not supported on this platform"
 	exit 77
 fi
 
diff --git a/tests/Transfer_-_--remote.test b/tests/Transfer_-_--remote.test
index e3e9ba8..2dff64a 100755
--- a/tests/Transfer_-_--remote.test
+++ b/tests/Transfer_-_--remote.test
@@ -5,9 +5,9 @@
 # Dummy assignments for "shellcheck".
 testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"; workFile2="${workFile2:-.tmp2}"; workFile3="${workFile3:-.tmp3}"; workFile4="${workFile4:-.tmp4}"
 
-# Do nothing if IPC is not supported.
+# Do nothing if it is not supported.
 if ! "${testSubject}" -h 2>/dev/null | grep -Eq "^  -R,"; then
-	echo "IPC is not supported on this platform"
+	echo "Not supported on this platform"
 	exit 77
 fi