diff --git a/doc/RTFM.md b/doc/RTFM.md
index a1349724c1bdb87b42dbd77da481d986a0f1d9c0..e0fc40cfee8762daa31eac69949acd2126b615d7 100644
--- a/doc/RTFM.md
+++ b/doc/RTFM.md
@@ -285,9 +285,9 @@ Race freeness at this level can be argued from:
   
 ```rust
     ...
-    LOW.claim_mut_new(b, t, |_low, b, t| {
+    LOW.claim_mut(b, t, |_low, b, t| {
         rtfm::bkpt();
-        LOW.claim_mut_new(b, t, |_high, _, _| {
+        LOW.claim_mut(b, t, |_high, _, _| {
             rtfm::bkpt();
         });
     });
@@ -661,10 +661,10 @@ fn exti0(
 Amounts to the following assembly (including the interrupt entry code.)
 ```rust
 Dump of assembler code for function nested_new::_EXTI0:
-   0x080005a6 <+0>:	movs	r1, #224	; 0xe0
-=> 0x080005a8 <+2>:	bkpt	0x0000
-   0x080005aa <+4>:	mrs	r0, BASEPRI
-   0x080005ae <+8>:	movs	r2, #208	; 0xd0
+   0x080005a6 <+0>:     movs	r1, #224	; 0xe0
+=> 0x080005a8 <+2>:	    bkpt	0x0000
+   0x080005aa <+4>:	    mrs	r0, BASEPRI
+   0x080005ae <+8>:	    movs	r2, #208	; 0xd0
    0x080005b0 <+10>:	msr	BASEPRI, r1
    0x080005b4 <+14>:	bkpt	0x0000
    0x080005b6 <+16>:	mrs	r1, BASEPRI
@@ -689,10 +689,10 @@ In an exprimental version of the RTFM implementation this observation has been e
 
 ```rust
 Dump of assembler code for function nested_new::_EXTI3:
-   0x080005d0 <+0>:	movs	r1, #224	; 0xe0
-   0x080005d2 <+2>:	movs	r2, #208	; 0xd0
-=> 0x080005d4 <+4>:	bkpt	0x0000
-   0x080005d6 <+6>:	mrs	r0, BASEPRI
+   0x080005d0 <+0>:	    movs	r1, #224	; 0xe0
+   0x080005d2 <+2>:	    movs	r2, #208	; 0xd0
+=> 0x080005d4 <+4>:	    bkpt	0x0000
+   0x080005d6 <+6>:	    mrs	r0, BASEPRI
    0x080005da <+10>:	msr	BASEPRI, r1
    0x080005de <+14>:	bkpt	0x0000
    0x080005e0 <+16>:	msr	BASEPRI, r2