diff --git a/systemd-mini.spec b/systemd-mini.spec
index 406e052..0d07841 100644
--- a/systemd-mini.spec
+++ b/systemd-mini.spec
@@ -864,9 +864,18 @@ fi
 # It's run only once.
 %{_prefix}/lib/systemd/scripts/migrate-sysconfig-i18n.sh || :
 
-# Previous versions had tmp.mount moved to /usr/share/systemd/tmp.mount.
-# It could be symlinked into /etc to make /tmp a tmpfs. The file does not exist anymore,
-# so migrate the link to the new location.
+# During the migration to tmpfs for /tmp, a bug was introduced that
+# affected users using tmpfs for /tmp and happened during the _second_
+# update following the one that introduced tmpfs on /tmp. It consisted
+# in creating a dangling symlink /etc/systemd/system/tmp.mount
+# pointing to the old copy that previous versions shipped in
+# /usr/share/systemd, which doesn't exist anymore. So we migrate the
+# link to the new location.
+#
+# Users have been exposed to this bug during a short period of time as
+# it was present only in one release and was fixed shortly after by
+# the next update. So we can assume that it's safe to drop it in 6
+# months (ie March 2021).
 if [ "$(readlink -f %{_sysconfdir}/systemd/system/tmp.mount)" = "%{_datadir}/systemd/tmp.mount" ] ; then
         ln -sf %{_unitdir}/tmp.mount %{_sysconfdir}/systemd/system/tmp.mount
 fi
@@ -883,7 +892,7 @@ fi
 # old systems, the file doesn't exist. This is equivalent to
 # generation #1, which enables the creation of all compat symlinks.
 if [ $1 -eq 1 ]; then
-	echo "COMPAT_SYMLINK_GENERATION=2">/usr/lib/udev/compat-symlink-generation
+	echo "COMPAT_SYMLINK_GENERATION=2" >/usr/lib/udev/compat-symlink-generation
 fi
 
 %post -n udev%{?mini}
diff --git a/systemd.spec b/systemd.spec
index 2d9078c..d39a85e 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -862,9 +862,18 @@ fi
 # It's run only once.
 %{_prefix}/lib/systemd/scripts/migrate-sysconfig-i18n.sh || :
 
-# Previous versions had tmp.mount moved to /usr/share/systemd/tmp.mount.
-# It could be symlinked into /etc to make /tmp a tmpfs. The file does not exist anymore,
-# so migrate the link to the new location.
+# During the migration to tmpfs for /tmp, a bug was introduced that
+# affected users using tmpfs for /tmp and happened during the _second_
+# update following the one that introduced tmpfs on /tmp. It consisted
+# in creating a dangling symlink /etc/systemd/system/tmp.mount
+# pointing to the old copy that previous versions shipped in
+# /usr/share/systemd, which doesn't exist anymore. So we migrate the
+# link to the new location.
+#
+# Users have been exposed to this bug during a short period of time as
+# it was present only in one release and was fixed shortly after by
+# the next update. So we can assume that it's safe to drop it in 6
+# months (ie March 2021).
 if [ "$(readlink -f %{_sysconfdir}/systemd/system/tmp.mount)" = "%{_datadir}/systemd/tmp.mount" ] ; then
         ln -sf %{_unitdir}/tmp.mount %{_sysconfdir}/systemd/system/tmp.mount
 fi
@@ -881,7 +890,7 @@ fi
 # old systems, the file doesn't exist. This is equivalent to
 # generation #1, which enables the creation of all compat symlinks.
 if [ $1 -eq 1 ]; then
-	echo "COMPAT_SYMLINK_GENERATION=2">/usr/lib/udev/compat-symlink-generation
+	echo "COMPAT_SYMLINK_GENERATION=2" >/usr/lib/udev/compat-symlink-generation
 fi
 
 %post -n udev%{?mini}