diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrorsDefaultMessages.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrorsDefaultMessages.kt
index 890fc4c85ae..9cb5a5c0219 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrorsDefaultMessages.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrorsDefaultMessages.kt
@@ -1693,7 +1693,13 @@ object FirErrorsDefaultMessages : BaseDiagnosticRendererFactory() {
         map.put(NOT_NULL_ASSERTION_ON_LAMBDA_EXPRESSION, "Non-null assertion (!!) is called on a lambda expression")
         map.put(NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE, "Non-null assertion (!!) is called on a callable reference expression")
         map.put(UNNECESSARY_SAFE_CALL, "Unnecessary safe call on a non-null receiver of type {0}", RENDER_TYPE)
-        map.put(SAFE_CALL_WILL_CHANGE_NULLABILITY, "Safe call on a non-null receiver will have nullable type in future releases")
+        map.put(
+            SAFE_CALL_WILL_CHANGE_NULLABILITY,
+            """
+                |Safe call on a non-null receiver will have nullable type in future releases
+                |  Right now safe call on non nullable receiver has not null type: SomeType
+                |  In future releases all safe calls will have nullable type: SomeType?""".trimMargin()
+        )
         map.put(UNEXPECTED_SAFE_CALL, "Safe-call is not allowed here")
         map.put(USELESS_ELVIS, "Elvis operator (?:) always returns the left operand of non-nullable type {0}", RENDER_TYPE)
         map.put(USELESS_ELVIS_RIGHT_IS_NULL, "Right operand of elvis operator (?:) is useless if it is null")
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java b/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java
index a2c76660a58..af96f13dfff 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java
+++ b/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java
@@ -738,7 +738,12 @@ public class DefaultErrorMessages {
         MAP.put(EXCEPTION_FROM_ANALYZER, "Internal Error occurred while analyzing this expression:\n{0}", THROWABLE);
         MAP.put(MISSING_STDLIB, "{0}. Ensure you have the standard Kotlin library in dependencies", STRING);
         MAP.put(UNNECESSARY_SAFE_CALL, "Unnecessary safe call on a non-null receiver of type {0}", RENDER_TYPE);
-        MAP.put(SAFE_CALL_WILL_CHANGE_NULLABILITY, "Safe call on a non-null receiver will have nullable type in future releases");
+        MAP.put(
+                SAFE_CALL_WILL_CHANGE_NULLABILITY,
+                "Safe call on a non-null receiver will have nullable type in future releases\n" +
+                "  Right now safe call on non nullable receiver has not null type: `\"hello\"?.length` has type Int\n" +
+                "  In future releases all safe calls will have nullable type: `\"hello\"?.length` will have type Int?"
+        );
         MAP.put(UNEXPECTED_SAFE_CALL, "Safe-call is not allowed here");
         MAP.put(UNNECESSARY_NOT_NULL_ASSERTION, "Unnecessary non-null assertion (!!) on a non-null receiver of type {0}", RENDER_TYPE);
         MAP.put(NOT_NULL_ASSERTION_ON_LAMBDA_EXPRESSION, "Non-null assertion (!!) is called on a lambda expression");