diff --git a/README.md b/README.md
index a2f0a11..1ec81ba 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,22 @@ Requirements
 * OS X 10.10.3 Yosemite or later
 * a 2010 or later Mac (i.e. a CPU that supports EPT)
 
+Installation
+------------
+
+If you have homebrew, then simply:
+
+    $ brew update
+    $ brew install --HEAD xhyve
+
+The `--HEAD` in the brew command ensures that you always get the latest changes, even if the homebrew database is not yet updated. If for any reason you don't want that simply do `brew install xhyve` .
+
+if not then:  
+
 Building
 --------
-
+    $ git clone https://github.com/mist64/xhyve
+    $ cd xhyve
     $ make
 
 The resulting binary will be in build/xhyve
@@ -57,7 +70,7 @@ It exposes the following peripherals to virtual machines:
 
 Notably absent are sound, USB, HID and any kind of graphics support. With a focus on server virtualization this is not strictly a requirement. bhyve may gain desktop virtualization capabilities in the future but this doesn't seem to be a priority.
 
-Unlike QEMU, byhve also currently lacks any kind of guest-side firmware (QEMU uses the GPL3 [SeaBIOS](http://www.seabios.org)), but aims to provide a compatible [OVMF EFI](http://www.linux-kvm.org/page/OVMF) in the near future. It does however provide ACPI, SMBIOS and MP Tables.
+Unlike QEMU, bhyve also currently lacks any kind of guest-side firmware (QEMU uses the GPL3 [SeaBIOS](http://www.seabios.org)), but aims to provide a compatible [OVMF EFI](http://www.linux-kvm.org/page/OVMF) in the near future. It does however provide ACPI, SMBIOS and MP Tables.
 
 bhyve architecture
 ------------------
diff --git a/src/vmm/io/vhpet.c b/src/vmm/io/vhpet.c
index 1d81861..3e13bda 100644
--- a/src/vmm/io/vhpet.c
+++ b/src/vmm/io/vhpet.c
@@ -221,7 +221,7 @@ vhpet_timer_interrupt(struct vhpet *vhpet, int n)
 		lapic_intr_msi(vhpet->vm, vhpet->timer[n].msireg >> 32,
 		    vhpet->timer[n].msireg & 0xffffffff);
 		return;
-	}	
+	}
 
 	pin = vhpet_timer_ioapic_pin(vhpet, n);
 	if (pin == 0) {
@@ -291,7 +291,7 @@ vhpet_handler(void *a)
 	callout_deactivate(callout);
 
 	if (!vhpet_counter_enabled(vhpet))
-		xhyve_abort("vhpet(%p) callout with counter disabled\n", vhpet);
+		xhyve_abort("vhpet(%p) callout with counter disabled\n", (void*)vhpet);
 
 	counter = vhpet_counter(vhpet, &now);
 	vhpet_start_timer(vhpet, n, counter, now);
@@ -483,7 +483,7 @@ vhpet_mmio_write(void *vm, UNUSED int vcpuid, uint64_t gpa, uint64_t val, int si
 		if ((offset & 0x4) != 0) {
 			mask <<= 32;
 			data <<= 32;
-		} 
+		}
 		break;
 	default:
 		VM_CTR2(vhpet->vm, "hpet invalid mmio write: "
@@ -638,7 +638,7 @@ vhpet_mmio_read(void *vm, UNUSED int vcpuid, uint64_t gpa, uint64_t *rval, int s
 
 	if (offset == HPET_CAPABILITIES || offset == HPET_CAPABILITIES + 4) {
 		data = vhpet_capabilities();
-		goto done;	
+		goto done;
 	}
 
 	if (offset == HPET_CONFIG || offset == HPET_CONFIG + 4) {
diff --git a/src/xhyve.c b/src/xhyve.c
index 224a74b..7617f71 100644
--- a/src/xhyve.c
+++ b/src/xhyve.c
@@ -136,7 +136,7 @@ usage(int code)
 		"       -h: help\n"
 		"       -H: vmexit from the guest on hlt\n"
 		"       -l: LPC device configuration\n"
-		"       -m: memory size in MB\n"
+		"       -m: memory size in MB, may be suffixed with one of K, M, G or T\n"
 		"       -M: print MAC address and exit if using vmnet\n"
 		"       -p: pin 'vcpu' to 'hostcpu'\n"
 		"       -P: vmexit from the guest on pause\n"