docs: minor fix

diff --git a/docs/doxygen_doc.md b/docs/doxygen_doc.md
index 56c925c..df7f225 100755
--- a/docs/doxygen_doc.md
+++ b/docs/doxygen_doc.md

@@ -124,7 +124,7 @@
 - All the predefined variables indicated in the [Bazel documentation](https://bazel.build/reference/be/make-variables#predefined_variables).
 
 The former is particularly useful when `doxygen` needs to generate unusual files, such as [tag files](https://www.doxygen.nl/manual/config.html#cfg_generate_tagfile).
-For example, you can use it to generate a tag file in the output directory:
+An example of this is shown below, where the tag file `PolyVox.tag` is stored in the `tags` output directory.
 
 ```bzl
 doxygen(

diff --git a/doxygen/doxygen.bzl b/doxygen/doxygen.bzl
index d5a187d..6cf42b5 100644
--- a/doxygen/doxygen.bzl
+++ b/doxygen/doxygen.bzl

@@ -552,7 +552,7 @@
     - All the predefined variables indicated in the [Bazel documentation](https://bazel.build/reference/be/make-variables#predefined_variables).
 
     The former is particularly useful when `doxygen` needs to generate unusual files, such as [tag files](https://www.doxygen.nl/manual/config.html#cfg_generate_tagfile).
-    For example, you can use it to generate a tag file in the output directory:
+    An example of this is shown below, where the tag file `PolyVox.tag` is stored in the `tags` output directory.
 
     ```bzl
     doxygen(