diff --git a/cpp/doxygen/Doxyfile b/cpp/doxygen/Doxyfile
index 3b74956e121..a7495e2d579 100644
--- a/cpp/doxygen/Doxyfile
+++ b/cpp/doxygen/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = libcugraph
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 24.02
+PROJECT_NUMBER=24.02
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a