fixed typos

Author: robinpaulson

app/build.gradle

@@ -7,8 +7,8 @@ android {
         minSdkVersion 15
         //noinspection ExpiringTargetSdkVersion
         targetSdkVersion 26
-        versionCode 22
-        versionName "1.6.3"
+        versionCode 23
+        versionName "1.6.4"
     }
 
     lintOptions {

app/src/main/java/cz/martykan/forecastie/activities/MainActivity.java

@@ -301,7 +301,7 @@ private void aboutDialog() {
         AlertDialog.Builder alert = new AlertDialog.Builder(this);
         alert.setTitle("Forecastie");
         final WebView webView = new WebView(this);
-        String about = "<p>1.6.3</p>" +
+        String about = "<p>1.6.4</p>" +
                 "<p>A lightweight, opensource weather app.</p>" +
                 "<p>Developed by <a href='mailto:t.martykan@gmail.com'>Tomas Martykan</a> and others</p>" +
                 "<p>Data provided by <a href='https://openweathermap.org/'>OpenWeatherMap</a>, under the <a href='http://creativecommons.org/licenses/by-sa/2.0/'>Creative Commons license</a>" +