diff --git a/grammar.md b/GRAMMAR.md
similarity index 100%
rename from grammar.md
rename to GRAMMAR.md
diff --git a/README.md b/README.md
index 7845912..28c9694 100644
--- a/README.md
+++ b/README.md
@@ -313,7 +313,7 @@ Feel free to send me the commands necessary to get syntax hilighting working in
 
 ### justfile grammar
 
-A description of the grammar of justfiles can be found in [grammar.md](grammar.md).
+A description of the grammar of justfiles can be found in [GRAMMAR.md](GRAMMAR.md).
 
 ### just.sh