Comment fix.

llvm-svn: 68069
diff --git a/clang/lib/Driver/HostInfo.cpp b/clang/lib/Driver/HostInfo.cpp
index 07aa286..2ce06f5 100644
--- a/clang/lib/Driver/HostInfo.cpp
+++ b/clang/lib/Driver/HostInfo.cpp
@@ -207,7 +207,7 @@
 
 // FreeBSD Host Info
 
-/// FreeBSDHostInfo -  Similar to UnknownHostInfo, but doesn't depend on
+/// FreeBSDHostInfo -  FreeBSD host information implementation.
 class FreeBSDHostInfo : public HostInfo {
   /// Cache of tool chains we have created.
   mutable llvm::StringMap<ToolChain*> ToolChains;