Update the manual installation documentation

Author: groue

README.md

@@ -418,9 +418,9 @@ GRDB offers two libraries, `GRDB` and `GRDB-dynamic`. Pick only one. When in dou
 
 2. Embed the `GRDB.xcodeproj` project in your own project.
 
-3. Add the `GRDBOSX`, `GRDBiOS`, `GRDBtvOS`, or `GRDBWatchOS` target in the **Target Dependencies** section of the **Build Phases** tab of your application target (extension target for WatchOS).
+3. Add the `GRDB` target in the **Target Dependencies** section of the **Build Phases** tab of your application target (extension target for WatchOS).
 
-4. Add the `GRDB.framework` from the targeted platform to the **Embedded Binaries** section of the **General**  tab of your application target (extension target for WatchOS).
+4. Add the `GRDB.framework` to the **Embedded Binaries** section of the **General**  tab of your application target (extension target for WatchOS).
 
 > :bulb: **Tip**: see the [Demo Applications] for examples of such integration.