diff --git a/packages/core/src/di/interface/defs.ts b/packages/core/src/di/interface/defs.ts
index e25c4ed0b90615..b1d05df5b37760 100644
--- a/packages/core/src/di/interface/defs.ts
+++ b/packages/core/src/di/interface/defs.ts
@@ -217,8 +217,8 @@ function getOwnDefinition<T>(type: any, def: ɵɵInjectableDef<T>): ɵɵInjectab
  *
  * @param type A type which may have `ɵprov`, via inheritance.
  *
- * @deprecated Will be removed in v10, where an error will occur in the scenario if we find the
- * `ɵprov` on an ancestor only.
+ * @deprecated Will be removed in a future version of Angular, where an error will occur in the
+ *     scenario if we find the `ɵprov` on an ancestor only.
  */
 export function getInheritedInjectableDef<T>(type: any): ɵɵInjectableDef<T>|null {
   // See `jit/injectable.ts#compileInjectable` for context on NG_PROV_DEF_FALLBACK.
@@ -233,7 +233,8 @@ export function getInheritedInjectableDef<T>(type: any): ɵɵInjectableDef<T>|nu
     console.warn(
         `DEPRECATED: DI is instantiating a token "${
             typeName}" that inherits its @Injectable decorator but does not provide one itself.\n` +
-        `This will become an error in v10. Please add @Injectable() to the "${typeName}" class.`);
+        `This will become an error in a future version of Angular. Please add @Injectable() to the "${
+            typeName}" class.`);
     return def;
   } else {
     return null;
diff --git a/packages/core/src/di/jit/injectable.ts b/packages/core/src/di/jit/injectable.ts
index 134df6154d6a6a..231f2090ecee9a 100644
--- a/packages/core/src/di/jit/injectable.ts
+++ b/packages/core/src/di/jit/injectable.ts
@@ -46,7 +46,7 @@ export function compileInjectable(type: Type<any>, srcMeta?: Injectable): void {
     // undecorated parent class. We work around it by defining a method which should be used
     // as a fallback. This should only be a problem in JIT mode, because in AOT TypeScript
     // seems to have a workaround for static properties. When inheriting from an undecorated
-    // parent is no longer supported in v10, this can safely be removed.
+    // parent is no longer supported (v11 or later), this can safely be removed.
     if (!type.hasOwnProperty(NG_PROV_DEF_FALLBACK)) {
       (type as any)[NG_PROV_DEF_FALLBACK] = () => (type as any)[NG_PROV_DEF];
     }
diff --git a/packages/core/test/acceptance/di_spec.ts b/packages/core/test/acceptance/di_spec.ts
index 32c472f65261c7..554a929e0e28e2 100644
--- a/packages/core/test/acceptance/di_spec.ts
+++ b/packages/core/test/acceptance/di_spec.ts
@@ -1030,7 +1030,7 @@ describe('di', () => {
       if (ivyEnabled) {
         expect(warnSpy).toHaveBeenCalledWith(
             `DEPRECATED: DI is instantiating a token "SubSubClass" that inherits its @Injectable decorator but does not provide one itself.\n` +
-            `This will become an error in v10. Please add @Injectable() to the "SubSubClass" class.`);
+            `This will become an error in a future version of Angular. Please add @Injectable() to the "SubSubClass" class.`);
       }
     });
 
@@ -1061,7 +1061,7 @@ describe('di', () => {
       if (ivyEnabled) {
         expect(warnSpy).toHaveBeenCalledWith(
             `DEPRECATED: DI is instantiating a token "MyRootService" that inherits its @Injectable decorator but does not provide one itself.\n` +
-            `This will become an error in v10. Please add @Injectable() to the "MyRootService" class.`);
+            `This will become an error in a future version of Angular. Please add @Injectable() to the "MyRootService" class.`);
       }
     });