--module=UNUSED
 {endcode}
 *: =--use-externals-cache= is ignored for Cmake builds (V7_5_5), cached externals are always disabled for V7_5_5 until V7_7_0. For V7_7_0 and later, cached externals are always enabled. With V7_7_0 you can use =--clear-externals-cache= to clear the cache before the build.
+*: The blacklist a particular host, add something like this to the condor_nmi_submit line:
+{code}
+--append 'append_requirements=Machine!="nmi-0102.batlab.cs.wisc.edu"'
+{endcode}
 
 {subsection: Building a Condor workspace in NMI}
 
@@ -113,6 +117,8 @@
 *: =--release-only= builds the dynamic binaries, but doesn't package or return them. If you're just doing a compile test and don't need the binaries, this will speed the build by about 45 minutes. If you need to generate a package to give to a user (or to submit for testing), omit this option.
 *: =--desc= specifies a description that appears in the NMI web pages and can help identify your build.
 *: =--workspace=../= is the location of your workspace. *Warning:* due to a bug in condor_nmi_submit, as of 2006-02-14 the only valid option is "=../=" as given in the example.
+*: =--append 'append_requirements=Machine!="nmi-0102.batlab.cs.wisc.edu"'= Blacklist nmi-0102 from the hosts you will build on.
+{endcode}
 
 The script has a couple of other options. run condor_nmi_submit without options for a summary.