diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index 3657d15800a5b..d7e959ddcbf09 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -909,7 +909,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Enable_error_reporting_for_expressions_and_declarations_with_an_implied_any_type,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "strictNullChecks",
@@ -919,7 +919,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.When_type_checking_take_into_account_null_and_undefined,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "strictFunctionTypes",
@@ -929,7 +929,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.When_assigning_functions_check_to_ensure_parameters_and_the_return_values_are_subtype_compatible,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "strictBindCallApply",
@@ -939,7 +939,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Check_that_the_arguments_for_bind_call_and_apply_methods_match_the_original_function,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "strictPropertyInitialization",
@@ -949,7 +949,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Check_for_class_properties_that_are_declared_but_not_set_in_the_constructor,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "strictBuiltinIteratorReturn",
@@ -959,7 +959,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Built_in_iterators_are_instantiated_with_a_TReturn_type_of_undefined_instead_of_any,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "noImplicitThis",
@@ -969,7 +969,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Enable_error_reporting_when_this_is_given_the_type_any,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "useUnknownInCatchVariables",
@@ -979,7 +979,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         strictFlag: true,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Default_catch_clause_variables_as_unknown_instead_of_any,
-        defaultValueDescription: Diagnostics.false_unless_strict_is_set,
+        defaultValueDescription: Diagnostics.true_unless_strict_is_false,
     },
     {
         name: "alwaysStrict",
diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index 1a69dba02a6c1..8a79ffdcf9038 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -6607,7 +6607,7 @@
         "code": 6903
     },
 
-    "`false`, unless `strict` is set": {
+    "`true`, unless `strict` is `false`": {
         "category": "Message",
         "code": 6905
     },
diff --git a/tests/baselines/reference/tsc/commandLine/help-all.js b/tests/baselines/reference/tsc/commandLine/help-all.js
index 505fe68ad705b..c27a3f73cd1a9 100644
--- a/tests/baselines/reference/tsc/commandLine/help-all.js
+++ b/tests/baselines/reference/tsc/commandLine/help-all.js
@@ -234,7 +234,7 @@ default: false
 --noImplicitAny
 Enable error reporting for expressions and declarations with an implied 'any' type.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --noImplicitOverride
 Ensure overriding members in derived classes are marked with an override modifier.
@@ -249,7 +249,7 @@ default: false
 --noImplicitThis
 Enable error reporting when 'this' is given the type 'any'.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --noPropertyAccessFromIndexSignature
 Enforces using indexed accessors for keys declared using an indexed type.
@@ -279,32 +279,32 @@ default: true
 --strictBindCallApply
 Check that the arguments for 'bind', 'call', and 'apply' methods match the original function.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --strictBuiltinIteratorReturn
 Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --strictFunctionTypes
 When assigning functions, check to ensure parameters and the return values are subtype-compatible.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --strictNullChecks
 When type checking, take into account 'null' and 'undefined'.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --strictPropertyInitialization
 Check for class properties that are declared but not set in the constructor.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 --useUnknownInCatchVariables
 Default catch clause variables as 'unknown' instead of 'any'.
 type: boolean
-default: `false`, unless `strict` is set
+default: `true`, unless `strict` is `false`
 
 ### Watch and Build Modes