diff --git a/src/backscattering_analyzer/__init__.py b/src/backscattering_analyzer/__init__.py
index 408fc00..4ccecfc 100644
--- a/src/backscattering_analyzer/__init__.py
+++ b/src/backscattering_analyzer/__init__.py
@@ -41,7 +41,6 @@ def show_projection(
         (experiment.projection + reference).y,
         label=_("sum reference + excited"),
     )  # type: ignore[ReportUnusedCallResult]
-    """
     if start_frequency is not None:
         vlines(
             [
@@ -60,7 +59,6 @@ def show_projection(
             max(experiment.projection.y),
             color="k",
         )  # type: ignore[ReportUnusedCallResult]
-    """
     legend()  # type: ignore[ReportUnusedCallResult]
     title(experiment.bench) # type: ignore[ReportUnusedCallResult]
     xlabel(_("frequency (Hz)")) # type: ignore[ReportUnusedCallResult]