diff --git a/part3intro/toolchaintechnotes.xml b/part3intro/toolchaintechnotes.xml
index 852e88b4a..86ec87928 100644
--- a/part3intro/toolchaintechnotes.xml
+++ b/part3intro/toolchaintechnotes.xml
@@ -146,7 +146,8 @@
 
     <note>
       <para>Almost all the build systems use names of the form
-      cpu-vendor-kernel-os, referred to as the machine triplet. An astute
+      cpu-vendor-kernel-os, referred to as the machine triplet. The vendor
+      field is sometimes omitted. An astute
       reader may wonder why a <quote>triplet</quote> refers to a four component
       name. The reason is historical: initially, three component names were enough
       to designate a machine unambiguously, but as new machines and systems
@@ -159,7 +160,7 @@
       output will be <emphasis>i686-pc-linux-gnu</emphasis>. On a 64-bit
       system it will be <emphasis>x86_64-pc-linux-gnu</emphasis>. On most
       Linux systems the even simpler <command>gcc -dumpmachine</command> command
-      will give you the same information.</para>
+      will give you the similar information.</para>
 
       <para>You should also be aware of the name of the platform's dynamic linker, often
       referred to as the dynamic loader (not to be confused with the standard