Wording fixes (#175)

Author: Mr3zee

docs/pages/kotlinx-rpc/topics/0-2-4.topic

@@ -53,7 +53,7 @@
                 <td><code>kotlinx.rpc.UninitializedRPCFieldException</code></td>
             </tr>
         </table>
-        Old declaration and marked with <code>@Deprecated(WARNING)</code>
-        and will be removed in 2 minor releases.
+        Old declarations are marked with <code>@Deprecated(WARNING)</code>
+        and will be removed during the next two minor releases.
     </chapter>
 </topic>

samples/ktor-android-app/README.md

@@ -1,5 +1,5 @@
 # Ktor Android App
-Sample Android application and Kotlin/Jvm on backend,that uses kRPC with Ktor to communicate.
+Sample Android application and Kotlin/Jvm on backend, that uses kRPC protocol with Ktor to communicate.
 
 ### Running server
 To run server, run `main` function in [Application.kt](/server/src/main/kotlin/Application.kt) from IDEA UI.