diff --git a/ignore/src/types.rs b/ignore/src/types.rs
index ed6e0d6..3d15f9c 100644
--- a/ignore/src/types.rs
+++ b/ignore/src/types.rs
@@ -81,6 +81,7 @@ use {Error, Match};
 
 const DEFAULT_TYPES: &'static [(&'static str, &'static [&'static str])] = &[
     ("agda", &["*.agda", "*.lagda"]),
+    ("asciidoc", &["*.adoc", "*.asc", "*.asciidoc"]),
     ("asm", &["*.asm", "*.s", "*.S"]),
     ("awk", &["*.awk"]),
     ("c", &["*.c", "*.h", "*.H"]),
@@ -122,8 +123,8 @@ const DEFAULT_TYPES: &'static [(&'static str, &'static [&'static str])] = &[
     ("lua", &["*.lua"]),
     ("m4", &["*.ac", "*.m4"]),
     ("make", &["gnumakefile", "Gnumakefile", "makefile", "Makefile", "*.mk"]),
-    ("markdown", &["*.md"]),
-    ("md", &["*.md"]),
+    ("markdown", &["*.markdown", "*.md", "*.mdown", "*.mkdn"]),
+    ("md", &["*.markdown", "*.md", "*.mdown", "*.mkdn"]),
     ("matlab", &["*.m"]),
     ("mk", &["mkfile"]),
     ("ml", &["*.ml"]),