diff --git a/devextreme/devextreme-15.1.4.d.ts b/devextreme/devextreme-15.1.4.d.ts
index 44881ea912..9f9ae875ed 100644
--- a/devextreme/devextreme-15.1.4.d.ts
+++ b/devextreme/devextreme-15.1.4.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 15.1.4
+// Type definitions for DevExtreme 15.1.4
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/devextreme/devextreme-15.2.12.d.ts b/devextreme/devextreme-15.2.12.d.ts
index a069d5315c..bdba712122 100644
--- a/devextreme/devextreme-15.2.12.d.ts
+++ b/devextreme/devextreme-15.2.12.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 15.2.12
+// Type definitions for DevExtreme 15.2.12
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/devextreme/devextreme-15.2.13.d.ts b/devextreme/devextreme-15.2.13.d.ts
index 68b8310d81..cb1ca8697b 100644
--- a/devextreme/devextreme-15.2.13.d.ts
+++ b/devextreme/devextreme-15.2.13.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 15.2.13
+// Type definitions for DevExtreme 15.2.13
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/devextreme/devextreme-16.1.6.d.ts b/devextreme/devextreme-16.1.6.d.ts
index 9b1a7cd0ce..7e612e69d1 100644
--- a/devextreme/devextreme-16.1.6.d.ts
+++ b/devextreme/devextreme-16.1.6.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 16.1.6
+// Type definitions for DevExtreme 16.1.6
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/devextreme/devextreme-16.1.7.d.ts b/devextreme/devextreme-16.1.7.d.ts
index a997d3ce93..a3273c19dd 100644
--- a/devextreme/devextreme-16.1.7.d.ts
+++ b/devextreme/devextreme-16.1.7.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 16.1.7
+// Type definitions for DevExtreme 16.1.7
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/devextreme/index.d.ts b/devextreme/index.d.ts
index 0ac07a2be3..6aae49d6cd 100644
--- a/devextreme/index.d.ts
+++ b/devextreme/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for DevExtreme 16.1.8
+// Type definitions for DevExtreme 16.1.8
 // Project: http://js.devexpress.com/
 // Definitions by: DevExpress Inc. <http://devexpress.com/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped