am 024e9b26: Add distribute/tools content to essentials content.

* commit '024e9b26352d0ef6d01b34d6f86992eb2964bfc8':
  Add distribute/tools content to essentials content.
diff --git a/src/com/google/doclava/DocFile.java b/src/com/google/doclava/DocFile.java
index 259625c..c3ad2c1 100644
--- a/src/com/google/doclava/DocFile.java
+++ b/src/com/google/doclava/DocFile.java
@@ -222,7 +222,7 @@
         } else if (filename.indexOf("distribute/analyze") == 0) {
           hdf.setValue("analyze", "true");
         } else if (filename.indexOf("distribute/tools") == 0) {
-          hdf.setValue("disttools", "true");
+          hdf.setValue("essentials", "true");
         } else if (filename.indexOf("distribute/stories") == 0) {
           hdf.setValue("stories", "true");
         }