diff --git a/doc/manual.rst b/doc/manual.rst
index d9f98071d..fb33b3f7f 100644
--- a/doc/manual.rst
+++ b/doc/manual.rst
@@ -2643,7 +2643,7 @@ tuple[x: A, y: B, ...]          (default(A), default(B), ...)
                                 (analogous for objects)
 array[0..., T]                  [default(T), ...]
 range[T]                        default(T); this may be out of the valid range
-T = enum                        cast[T](0); this may be an invalid value
+T = enum                        cast[T]\(0); this may be an invalid value
 ============================    ==============================================