diff --git a/src/main/java/org/mockito/internal/invocation/TypeSafeMatching.java b/src/main/java/org/mockito/internal/invocation/TypeSafeMatching.java
index c09236501f..693de3c801 100644
--- a/src/main/java/org/mockito/internal/invocation/TypeSafeMatching.java
+++ b/src/main/java/org/mockito/internal/invocation/TypeSafeMatching.java
@@ -53,6 +53,7 @@ private static boolean isCompatible(ArgumentMatcher<?> argumentMatcher, Object a
     private static Class<?> getArgumentType(ArgumentMatcher<?> matcher) {
         Class<?> argumentMatcherType = matcher.getClass();
         Class<?> cached = argumentTypeCache.get(argumentMatcherType);
+        // This avoids a lambda allocation on the 2nd and subsequent invocations for marginally worse perf on the first.
         if (cached != null) {
             return cached;
         } else {