minor corrections

chap8p1.sh

@@ -179,7 +179,7 @@ if [ "$MAKECHECK" = TRUE ]; then
 fi
 make install &&
 cd .. &&
-rm -rf "LFS_XZ" &&
+rm -rf "$LFS_XZ" &&
 
 CURRENT_DATE_TIME=$(date +"%Y-%m-%d %T")
 echo "$CURRENT_DATE_TIME" >> build.log

chap8p2.sh

@@ -138,7 +138,7 @@ Accept=yes
 WantedBy=sockets.target
 EOF
     cat > /lib/systemd/system/telnetd@.service << "EOF"
-    [Unit]
+[Unit]
 Description=Telnet Per-Connection Server
 
 [Service]