diff --git a/.gitignore b/.gitignore
index 90d6d6f6..c39faaba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,3 +44,6 @@ atlassian-ide-plugin.xml
 
 # generated by Crashlytics plugin (for Android Studio and Intellij)
 com_crashlytics_export_strings.xml
+
+# modified by build process
+examples/doxygen/example.tag