diff --git a/src/parser.ts b/src/parser.ts
index 568225b9aec45bd463e9163d04d84c18ad8838d7..4d4ed82aef5bdf21040c994e7292b69fb8e33b51 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -156,7 +156,7 @@ export function parseProgram(tokens: Token[]): AstNode[] {
         // 3.1.3.1.3. Property `nodeType` should be `PhysicalUnit`
 
         // TODO: YOUR CODE HERE
-        };
+        
       // 3.1.4. Otherwise, if that value is one of the (???what???) units, then:
       } else if (/* TODO: YOUR CODE HERE */) {
         // TODO: YOUR CODE HERE