diff --git a/basis/cpu/x86/64/64-docs.factor b/basis/cpu/x86/64/64-docs.factor
index 26fbfc1a19..cd58ecfb69 100644
--- a/basis/cpu/x86/64/64-docs.factor
+++ b/basis/cpu/x86/64/64-docs.factor
@@ -1,11 +1,12 @@
-USING: help.markup help.syntax math ;
+USING: help.markup help.syntax math vm ;
 IN: cpu.x86.64
 
 HELP: vm-reg
 { $values { "reg" "a register symbol" } }
 { $description
   "Symbol of the machine register that holds the address of the virtual machine."
-} ;
+}
+{ $see-also vm } ;
 
 HELP: param-reg
 { $values { "n" number } { "reg" "a register symbol" } }
diff --git a/basis/cpu/x86/x86-docs.factor b/basis/cpu/x86/x86-docs.factor
index bc287595f3..7782eec862 100644
--- a/basis/cpu/x86/x86-docs.factor
+++ b/basis/cpu/x86/x86-docs.factor
@@ -39,6 +39,17 @@ HELP: load-zone-offset
   }
 } ;
 
+HELP: store-tagged
+{ $values { "dst" "a register symbol" } { "tag" "a builtin class" } }
+{ $description "Tags the register with the tag number for the given class." }
+{ $examples
+  { $unchecked-example
+    "USING: cpu.x86 make ;"
+    "[ RAX alien store-tagged ] B{ } make disassemble"
+    "0000000002275f10: 4883c806  or rax, 0x6"
+  }
+} ;
+
 HELP: copy-register*
 { $values
   { "dst" "a register symbol" }
@@ -55,3 +66,15 @@ HELP: copy-register*
     "0000000533c61fe0: 0f28ca  movaps xmm1, xmm2"
   }
 } ;
+
+HELP: %mov-vm-ptr
+{ $values { "reg" "a register symbol" } }
+{ $description
+  "Emits machine code for moving the vm pointer to a register." }
+{ $examples
+  { $unchecked-example
+    "USING: cpu.x86.64 make ;"
+    "[ RAX %mov-vm-ptr ] B{ } make disassemble"
+    "0000000002290b30: 4c89e8  mov rax, r13"
+  }
+} ;