diff --git a/README.md b/README.md
index f6825ec..2f25adc 100644
--- a/README.md
+++ b/README.md
@@ -16,17 +16,7 @@ indir [--host address] [--port port] [--root http_root] directory
     --root http_root    hosts on the specified subdirectory, i.e. `/files/`
 ```
 
-## customization
-
-### readme
-drop a `README.md` into any directory and indir will render
-it below the file listing with full markdown support!
-
----
-
 ## to-do:
 - [x] use templates instead of hard-coded HTML (i was lazy)
-- [x] directory header from readme file
+- [ ] directory header from readme file
 - [ ] directory stylesheet overrides
-- [x] index.html serving support
-- [x] fix mime-types for browser file view
\ No newline at end of file
diff --git a/main.go b/main.go
index d01ac12..890efa7 100755
--- a/main.go
+++ b/main.go
@@ -154,9 +154,7 @@ func main() {
 			mimeType := "application/octet-stream"
 			extPos := strings.LastIndex(info.Name(), ".")
 			if extPos != -1 {
-				if m := mime.TypeByExtension(info.Name()[extPos:]); m != "" {
-					mimeType = m
-				}
+				mimeType = mime.TypeByExtension(info.Name()[:extPos])
 			}
 
 			w.Header().Set("Content-Type", mimeType)