Fix class name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html
index 313874e..c4b15df 100644
--- a/docs/CodeGenerator.html
+++ b/docs/CodeGenerator.html
@@ -1627,7 +1627,7 @@
    bits. These physical registers are marked as <i>aliased</i> in LLVM. Given a
    particular architecture, you can check which registers are aliased by
    inspecting its <tt>RegisterInfo.td</tt> file. Moreover, the method
-   <tt>TargetRegisterInfo::getAliasSet(p_reg)</tt> returns an array containing
+   <tt>MCRegisterInfo::getAliasSet(p_reg)</tt> returns an array containing
    all the physical registers aliased to the register <tt>p_reg</tt>.</p>
 
 <p>Physical registers, in LLVM, are grouped in <i>Register Classes</i>.