diff --git a/sources/ADSREnvelope.cpp b/sources/ADSREnvelope.cpp
index 2bc6f41c..6c0a99f7 100644
--- a/sources/ADSREnvelope.cpp
+++ b/sources/ADSREnvelope.cpp
@@ -213,5 +213,6 @@ constexpr bool ADSREnvelope<Type>::isSmoothing() noexcept
     return currentState != State::Done;
 }
 
+// Explicit instantiation
 template class ADSREnvelope<float>;
 }