diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/rendering/DefaultErrorMessages.java b/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/rendering/DefaultErrorMessages.java
index e9a1481b09a..6022304b0b6 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/rendering/DefaultErrorMessages.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/rendering/DefaultErrorMessages.java
@@ -302,8 +302,7 @@ public class DefaultErrorMessages {
         MAP.put(TYPE_MISMATCH_IN_FOR_LOOP, "The loop iterates over values of type {0} but the parameter is declared to be {1}", RENDER_TYPE,
                 RENDER_TYPE);
         MAP.put(TYPE_MISMATCH_IN_CONDITION, "Condition must be of type jet.Boolean, but is of type {0}", RENDER_TYPE);
-        MAP.put(TYPE_MISMATCH_IN_TUPLE_PATTERN, "Type mismatch: subject is of type {0} but the pattern is of type Tuple{1}", RENDER_TYPE,
-                TO_STRING); // TODO: message
+        MAP.put(TYPE_MISMATCH_IN_TUPLE_PATTERN, "Type mismatch: subject is of type {0} but the pattern is a {1}-tuple", RENDER_TYPE, TO_STRING);
         MAP.put(TYPE_MISMATCH_IN_BINDING_PATTERN, "{0} is not a supertype of {1}. Use ''is'' to match against {0}", RENDER_TYPE, RENDER_TYPE);
         MAP.put(INCOMPATIBLE_TYPES, "Incompatible types: {0} and {1}", RENDER_TYPE, RENDER_TYPE);
         MAP.put(EXPECTED_CONDITION, "Expected condition of jet.Boolean type");