diff --git a/app/src/main/java/sudoku/Solver.java b/app/src/main/java/sudoku/Solver.java
index bdfc552..0f4ad33 100644
--- a/app/src/main/java/sudoku/Solver.java
+++ b/app/src/main/java/sudoku/Solver.java
@@ -1,40 +1,34 @@
 package sudoku;
 
+/** Solver is a class that implements the SudokuSolver interface */
 public class Solver implements SudokuSolver {
     private int[][] board = null;
     private int tries = 0;
 
+    /** Constructor */
     public Solver() {
         board = new int[9][9];
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public void setBoard(int[][] board) {
         this.board = board;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public int[][] getBoard() {
         return board;
     }
 
-    /**
-     * Resets the board to all zeros
-     */
+    /** Resets the board to all zeros */
     @Override
     public void clear() {
         board = new int[9][9];
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /*{@inheritDoc} */
     @Override
     public boolean solve() {
         return solve(0, 0);
@@ -98,9 +92,7 @@ public class Solver implements SudokuSolver {
         randomizeBoard(3);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public void randomizeBoard(int difficulty) {
         int amount_prefilled = (difficulty * 9) + 1;
@@ -121,9 +113,7 @@ public class Solver implements SudokuSolver {
         }
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public void set(int row, int col, int val) {
         if (row < 9 && col < 9) {
@@ -131,9 +121,7 @@ public class Solver implements SudokuSolver {
         }
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public int get(int row, int col) {
         if (row < 9 && col < 9) {
@@ -142,9 +130,7 @@ public class Solver implements SudokuSolver {
         return 0;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override
     public boolean isLegal(int row, int col, int num) {
         // Sanity check
@@ -174,9 +160,7 @@ public class Solver implements SudokuSolver {
         return true;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     public boolean isSolvable() {
         // We want to work on a copy
         int[][] copy = new int[9][9];