diff --git a/utils/NightlyTest.pl b/utils/NightlyTest.pl
index d178d08..8230ebe 100755
--- a/utils/NightlyTest.pl
+++ b/utils/NightlyTest.pl
@@ -23,7 +23,7 @@
 #  -parallel        Run two parallel jobs with GNU Make.
 #  -release         Build an LLVM Release version
 #  -pedantic        Enable additional GCC warnings to detect possible errors.
-#  -enable-linscan  Accepted but ignored
+#  -enable-linscan  Enable linearscan tests
 #  -disable-llc     Disable LLC tests in the nightly tester.
 #  -disable-jit     Disable JIT tests in the nightly tester.
 #  -verbose         Turn on some debug output
@@ -260,7 +260,7 @@
       $MAKEOPTS   = "$MAKEOPTS CompileOptimizeOpts='-O3 -DNDEBUG -finline-functions -Wpointer-arith -Wcast-align -Wno-deprecated -Wold-style-cast -Wabi -Woverloaded-virtual -ffor-scope'"; 
       next; 
   }
-  if (/^-enable-linscan$/) { next; }
+  if (/^-enable-linscan$/) { $PROGTESTOPTS .= " ENABLE_LINEARSCAN=1"; next; }
   if (/^-disable-llc$/)    { $PROGTESTOPTS .= " DISABLE_LLC=1";
                              $CONFIGUREARGS .= " --disable-llc_diffs"; next; }
   if (/^-disable-jit$/)    { $PROGTESTOPTS .= " DISABLE_JIT=1";
diff --git a/utils/NightlyTestTemplate.html b/utils/NightlyTestTemplate.html
index ab91f1e..43eca07 100644
--- a/utils/NightlyTestTemplate.html
+++ b/utils/NightlyTestTemplate.html
@@ -215,6 +215,9 @@
     GCC output: greater than 1 is a speedup, less than 1 is a slowdown.</li>
 <li><a name="GCC/CBE">GCC/CBE</a> - The speed-up of the CBE output vs the native 
     GCC output: greater than 1 is a speedup, less than 1 is a slowdown.</li>
+<li><a name="LLC-BETA">LLC-BETA</a> - How long does the program generated by the static
+    backend LLC take to execute the program, when compiled with new experimental 
+    features.  This is temporary, for tuning.</li>
 </ol><p>
 
 A complete log of testing