1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index e4cdf8f..d823134 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-srcs = $(wildcard *.md)
+srcs = $(wildcard [^R]*.md)
 pdfs = $(srcs:.md=.pdf)
 htmls = $(srcs:.md=.html)