diff --git a/LOG b/LOG
index 8ab0a99b6f..837a38734b 100644
--- a/LOG
+++ b/LOG
@@ -139,3 +139,6 @@
 - added instructions for building (cross-compiling) a boot file for
   a supported machine type for which a boot file is not built by default.
     BUILDING
+- corrected CHEZSCHEMELIBS and CHEZSCHEMEEXTS index entries to be
+  CHEZSCHEMELIBDIRS and CHEZSCHEMELIBEXTS.
+    use.stex
diff --git a/csug/use.stex b/csug/use.stex
index 70d341fb7a..2345261735 100644
--- a/csug/use.stex
+++ b/csug/use.stex
@@ -1120,7 +1120,7 @@ adds the source/object directory pair
 to the front of the default set of library directories.
 The parameters are set after all boot files have been loaded.
 
-\index{CHEZSCHEMELIBS}\index{CHEZSCHEMEEXTS}%
+\index{CHEZSCHEMELIBDIRS}\index{CHEZSCHEMELIBEXTS}%
 If no \scheme{--libdirs} option appears and the CHEZSCHEMELIBDIRS
 environment variable is set, the string value of CHEZSCHEMELIBDIRS is
 treated as if it were specified by a \scheme{--libdirs} option.