typo
diff --git a/doc/Doxyfile b/doc/Doxyfile
index 22314ea..85cfc63 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -534,7 +534,7 @@
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = "../src/python/oftest"  "../test"
+INPUT                  = "../src/python/oftest"  "../tests"
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is