1 files changed, 3 insertions, 0 deletions
diff --git a/tasks/doc.rake b/tasks/doc.rake
index 8013ed038..8a9108f1a 100644
--- a/tasks/doc.rake
+++ b/tasks/doc.rake
@@ -18,7 +18,10 @@ namespace :doc do
       sh "doxygen Doxyfile"
     rescue
       puts "ERROR: To generate C API documents, you need Doxygen."
+      puts "On Debian-based systems:"
       puts "  $ sudo apt-get install doxygen"
+      puts "On RHEL-based systems:"
+      puts "  $ sudo dnf install doxygen"
     end
   end