Bazel docs: Fix path to headless war

Change-Id: I8921ab6ff92213e91c8866fa1bc8ea050e98e6e7
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/Documentation/dev-bazel.txt b/Documentation/dev-bazel.txt
index aabe2fe..2c33f2e 100644
--- a/Documentation/dev-bazel.txt
+++ b/Documentation/dev-bazel.txt
@@ -56,7 +56,7 @@
 The output executable WAR will be placed in:
 
 ----
-  bazel-bin/headless/headless.war
+  bazel-bin/headless.war
 ----
 
 === Extension and Plugin API JAR Files