Fix spelling of calendar

app/src/main/java/app/insti/fragment/QLinksFragment.java

@@ -34,7 +34,7 @@ public class QLinksFragment extends BaseFragment {
         TextView Intern = getActivity().findViewById(R.id.button_Internship);
         TextView Placement = getActivity().findViewById(R.id.button_Placement);
         TextView Library = getActivity().findViewById(R.id.button_Library);
-        TextView AcadCal = getActivity().findViewById(R.id.button_Acad_calender);
+        TextView AcadCal = getActivity().findViewById(R.id.button_Acad_calendar);
         TextView AcadTime = getActivity().findViewById(R.id.button_Acad_timetable);
         TextView Holidays = getActivity().findViewById(R.id.button_Holidays);
         TextView Circulars = getActivity().findViewById(R.id.button_Circulars);

app/src/main/res/layout/fragment_qlinks.xml

@@ -92,14 +92,14 @@
             <TextView
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
-                android:text="   Calender"
+                android:text="   Calendar"
                 android:textSize="25sp" />
 
             <TextView
-                android:id="@+id/button_Acad_calender"
+                android:id="@+id/button_Acad_calendar"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:text="Academic Calender"
+                android:text="Academic Calendar"
                 android:textSize="@dimen/quick_links_size" />
 
             <TextView