diff --git a/src/syntax/expression/unary.rs b/src/syntax/expression/unary.rs
index 2a9f9e3..83c0fb0 100644
--- a/src/syntax/expression/unary.rs
+++ b/src/syntax/expression/unary.rs
@@ -23,4 +23,3 @@ pub fn try_parse(tokens: &Vec<Token>, pos: usize) -> ParseResult<Expression, ()>
         _ => primary::try_parse(tokens, pos),
     }
 }
-
diff --git a/src/syntax/grammar.md b/src/syntax/grammar.md
index 0e15a27..5aaad8c 100644
--- a/src/syntax/grammar.md
+++ b/src/syntax/grammar.md
@@ -85,6 +85,8 @@ factor = unary, (("/" | "*"), unary)*;
 unary = ("!" | "-"), expression
       | primary;
 
+function call = primary, (arguments list)?;
+
 primary = number | string | boolean | identifier | ("(", expression, ")");
 ```