diff --git a/README.md b/README.md
index 85f18a4..b6d14fc 100644
--- a/README.md
+++ b/README.md
@@ -7,15 +7,14 @@ To start (or create) a VM, go in the desired folder and run
 $ ./run.sh [OPTS]
 ```
 
-You can pass `qemu` flags to `./run.sh` directly or you can make theses flags
-permanent in `run.sh` (this VM only) or `lib.sh` (all VMs).
-
-See `QEMU(1)` for all options.
+You can pass `qemu` flags (see `QEMU(1)`) to `./run.sh` directly or you can
+make theses flags permanent by editing `run.sh` (this VM only) or `lib.sh` (all
+VMs).
 
 ### CPU/RAM limit
 
-See `QEMU(1)` for CPU limit.<br>
-Default RAM flag: `-m "2G,maxmem=$((MAX_RAM - 2))G"`.
+The CPU flag is not set by default, see `QEMU(1)` for default values.<br>
+Default RAM flag: `-m "2G,maxmem=$((HOST_RAM - 2))G"`.
 ```
 ./run.sh -smp "$NB_CPUS,maxcpus=$MAX_CPUS" \
          -m "${RAM}G,maxmem=${MAX_RAM}G"
@@ -23,7 +22,7 @@ Default RAM flag: `-m "2G,maxmem=$((MAX_RAM - 2))G"`.
 
 ### Port forwarding
 
-To forward host port 2222 to guest 22:
+To forward host port 2222 to guest port 22:
 ```
 ./run.sh -nic user,hostfwd=tcp::2222-:22
 ```