Update copy-and-pasted log message


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204057 91177308-0d34-0410-b5e6-96231b3b80d8
Correct copy-and-pasted comments for DetachOperation


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204064 91177308-0d34-0410-b5e6-96231b3b80d8