Fix comment.

llvm-svn: 151077
diff --git a/lldb/examples/lookup/main.cpp b/lldb/examples/lookup/main.cpp
index 5bb54f8..51d95ed 100644
--- a/lldb/examples/lookup/main.cpp
+++ b/lldb/examples/lookup/main.cpp
@@ -34,7 +34,7 @@
 //
 //    $ make
 //
-// then:
+// then (for example):
 //
 //    $ DYLD_FRAMEWORK_PATH=/Volumes/data/lldb/svn/ToT/build/Debug ./a.out executable_path file_address
 //----------------------------------------------------------------------