1 files changed, 3 insertions, 1 deletions
diff --git a/README.md b/README.md
index a69f5a2..94c5d79 100644
--- a/README.md
+++ b/README.md
@@ -33,9 +33,11 @@ I plan to update the syntax when and if the spec adds more items to *text/gemini
 
 ## Filetype
 
-This syntax is set up to be used with files labled with the **gmi** extension. For example:
+This syntax is set up to be used with files labled with the **gmi** or **gemini** extensions. For example:
 ```
 $ vim my_gemini_map.gmi
+# or
+$ vim my_gemini_map.gemini
 ```
 
 ## Surprises