diff --git a/Dijkstra.java b/Dijkstra.java
index e276ace..c20a6d3 100644
--- a/Dijkstra.java
+++ b/Dijkstra.java
@@ -26,7 +26,7 @@ int minDistance(int dist[], Boolean que[])
         return index;
     }
  
-    
+    // printsolution is a function to print distance between vertex and source.
     void printSolution(int dist[], int n)
     {
         System.out.println("Vertex   Distance from Source");
diff --git a/JavaDateAndTime.java b/JavaDateAndTime.java
index bd50548..9bc3178 100644
--- a/JavaDateAndTime.java
+++ b/JavaDateAndTime.java
@@ -28,7 +28,7 @@ public static String getDay(String day, String month, String year) {
           /**
            * Converts the String type day into integer type y using parseInt() method)
        */   
-        Calendar c = Calendar.getInstance();
+        Calendar c = Calendar.getInstance(); // The java.util.Calendar.getInstance() method gets a calendar using the specified time zone and specified locale.
         c.set(y, m-1, d); 
             
         int p = c.get(Calendar.DAY_OF_WEEK);