diff --git a/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart b/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
index b372ad4..c8e1eff 100644
--- a/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
+++ b/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
@@ -9665,15 +9665,13 @@
         r"""Try removing the keyword 'var', or replacing it with the name of the return type.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-const Template<
-    Message Function(
-        String
-            name)> templateVariableCouldBeNullDueToWrite = const Template<
-        Message Function(String name)>(
-    messageTemplate:
-        r"""Variable '#name' could be null due to a write occurring here.""",
-    tipTemplate: r"""Try null checking the variable after the write.""",
-    withArguments: _withArgumentsVariableCouldBeNullDueToWrite);
+const Template<Message Function(String name)>
+    templateVariableCouldBeNullDueToWrite =
+    const Template<Message Function(String name)>(
+        messageTemplate:
+            r"""Variable '#name' could be null due to an intervening write.""",
+        tipTemplate: r"""Try null checking the variable after the write.""",
+        withArguments: _withArgumentsVariableCouldBeNullDueToWrite);
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Message Function(String name)> codeVariableCouldBeNullDueToWrite =
@@ -9687,7 +9685,7 @@
   name = demangleMixinApplicationName(name);
   return new Message(codeVariableCouldBeNullDueToWrite,
       message:
-          """Variable '${name}' could be null due to a write occurring here.""",
+          """Variable '${name}' could be null due to an intervening write.""",
       tip: """Try null checking the variable after the write.""",
       arguments: {'name': name});
 }
diff --git a/pkg/analyzer/lib/src/dart/resolver/type_property_resolver.dart b/pkg/analyzer/lib/src/dart/resolver/type_property_resolver.dart
index 65bef9a..d6204de 100644
--- a/pkg/analyzer/lib/src/dart/resolver/type_property_resolver.dart
+++ b/pkg/analyzer/lib/src/dart/resolver/type_property_resolver.dart
@@ -392,8 +392,8 @@
       String variableName, Expression writeExpression) {
     return DiagnosticMessageImpl(
         filePath: source.fullName,
-        message:
-            "Variable '$variableName' could be null due to a write occurring here.",
+        message: "Variable '$variableName' could be null due to an intervening "
+            "write.",
         offset: writeExpression.offset,
         length: writeExpression.length);
   }
diff --git a/pkg/front_end/messages.yaml b/pkg/front_end/messages.yaml
index 5d8cdd8..2ec9981 100644
--- a/pkg/front_end/messages.yaml
+++ b/pkg/front_end/messages.yaml
@@ -4589,7 +4589,7 @@
   analyzerCode: ParserErrorCode.MULTIPLE_VARIANCE_MODIFIERS
 
 VariableCouldBeNullDueToWrite:
-  template: "Variable '#name' could be null due to a write occurring here."
+  template: "Variable '#name' could be null due to an intervening write."
   tip: "Try null checking the variable after the write."
 
 FieldNotPromoted:
diff --git a/pkg/front_end/test/spell_checking_list_messages.txt b/pkg/front_end/test/spell_checking_list_messages.txt
index 04eb66f..be9adce 100644
--- a/pkg/front_end/test/spell_checking_list_messages.txt
+++ b/pkg/front_end/test/spell_checking_list_messages.txt
@@ -36,6 +36,7 @@
 h
 https
 interop
+intervening
 js_util
 libraries.json
 list.filled