diff --git a/arch/paging.c b/arch/paging.c
index 4468776..6ae5503 100644
--- a/arch/paging.c
+++ b/arch/paging.c
@@ -4,42 +4,45 @@
 
 #define I386_VM_PT_ENTRIES 1024
 
-#define I386_PAGE_SIZE      4096
-#define I386_BIG_PAGE_SIZE  (I386_PAGE_SIZE * I386_VM_PT_ENTRIES)
+#define I386_PAGE_SIZE     4096
+#define I386_BIG_PAGE_SIZE (I386_PAGE_SIZE * I386_VM_PT_ENTRIES)
 
 // i386 paging constants
-#define I386_VM_PRESENT 0x001   // Page is present
-#define I386_VM_WRITE   0x002   // Read/write access allowed
-#define I386_VM_READ    0x000   // Read access only
-#define I386_VM_USER    0x004   // User access allowed
-#define I386_VM_PWT 0x008   // Write through
-#define I386_VM_PCD 0x010   // Cache disable
-#define I386_VM_ACC 0x020   // Accessed
-#define I386_VM_ADDR_MASK 0xFFFFF000 // physical address
+#define I386_VM_PRESENT 0x001 // Page is present
+#define I386_VM_WRITE   0x002 // Read/write access allowed
+#define I386_VM_READ    0x000 // Read access only
+#define I386_VM_USER    0x004 // User access allowed
+
+#define I386_VM_PWT 0x008 // Write through
+#define I386_VM_PCD 0x010 // Cache disable
+#define I386_VM_ACC 0x020 // Accessed
+
+#define I386_VM_ADDR_MASK     0xFFFFF000 // physical address
 #define I386_VM_ADDR_MASK_4MB 0xFFC00000 // physical address
+
 #define I386_VM_OFFSET_MASK_4MB 0x003FFFFF // physical address
 
 // Page directory specific flags.
 #define I386_VM_BIGPAGE 0x080 // 4MB page
 
 // CR0 bits
-#define I386_CR0_PE     0x00000001  // Protected mode
-#define I386_CR0_MP     0x00000002  // Monitor Coprocessor
-#define I386_CR0_EM     0x00000004  // Emulate
-#define I386_CR0_TS     0x00000008  // Task Switched
-#define I386_CR0_ET     0x00000010  // Extension Type
-#define I386_CR0_WP     0x00010000  // Enable paging
-#define I386_CR0_PG     0x80000000  // Enable paging
+#define I386_CR0_PE 0x00000001 // Protected mode
+#define I386_CR0_MP 0x00000002 // Monitor Coprocessor
+#define I386_CR0_EM 0x00000004 // Emulate
+#define I386_CR0_TS 0x00000008 // Task Switched
+#define I386_CR0_ET 0x00000010 // Extension Type
+#define I386_CR0_WP 0x00010000 // Enable paging
+#define I386_CR0_PG 0x80000000 // Enable paging
 
 // some CR4 bits
-#define I386_CR4_VME        0x00000001  // Virtual 8086
-#define I386_CR4_PVI        0x00000002  // Virtual ints
-#define I386_CR4_TSD        0x00000004  // RDTSC privileged
-#define I386_CR4_DE     0x00000008  // Debugging extensions
-#define I386_CR4_PSE        0x00000010  // Page size extensions
-#define I386_CR4_PAE        0x00000020  // Physical addr extens
-#define I386_CR4_MCE        0x00000040  // Machine check enable
-#define I386_CR4_PGE    0x00000080  // Global page flag enable
+#define I386_CR4_VME 0x00000001 // Virtual 8086
+#define I386_CR4_PVI 0x00000002 // Virtual ints
+#define I386_CR4_TSD 0x00000004 // RDTSC privileged
+#define I386_CR4_DE  0x00000008 // Debugging extensions
+#define I386_CR4_PSE 0x00000010 // Page size extensions
+#define I386_CR4_PAE 0x00000020 // Physical addr extens
+#define I386_CR4_MCE 0x00000040 // Machine check enable
+#define I386_CR4_PGE 0x00000080 // Global page flag enable
 
 // TODO: implement this
 #define assert(n) if (n) {}