1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 0b54eaf..064fb70 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ small previews is displayed, making it easy to choose an image to open.
 
 sxiv supports the following command-line options:
 
+    -a           Display all given files, do not filter out unsupported files
+                 (shorter startup time for long file list or slow file types)
     -d           Scale all images to 100%, but fit large images into window
     -F           Use size-hints to make the window fixed/floating
     -f           Start in fullscreen mode