chore: stuff from code review

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/degenerate/entropy/README.md

@@ -144,7 +144,7 @@ Returns the entropy of a degenerate distribution with constant value `mu`.
 
 ```c
 double y = stdlib_base_dists_degenerate_entropy( 0.1 );
-// returns ~0.0
+// returns 0.0
 ```
 
 The function accepts the following arguments:
@@ -191,7 +191,7 @@ int main( void ) {
     for ( i = 0; i < 10; i++ ) {
         mu = random_uniform( 0.0, 1.0 );
         y = stdlib_base_dists_degenerate_entropy( mu );
-        printf( "µ: %1f, H(X;µ): %lf\n", mu , y );
+        printf( "µ: %1f. H(X;µ): %lf\n", mu , y );
     }
 }
 ```

lib/node_modules/@stdlib/stats/base/dists/degenerate/entropy/examples/c/example.c

@@ -33,6 +33,6 @@ int main( void ) {
 	for ( i = 0; i < 10; i++ ) {
 		mu = random_uniform( 0.0, 1.0 );
 		y = stdlib_base_dists_degenerate_entropy( mu );
-		printf( "µ: %1f, H(X;µ): %lf\n", mu , y );
+		printf( "µ: %1f. H(X;µ): %lf\n", mu , y );
 	}
 }

lib/node_modules/@stdlib/stats/base/dists/degenerate/entropy/src/main.c

@@ -23,11 +23,11 @@
 * Returns the entropy of a degenerate distribution with constant value `mu`.
 *
 * @param mu    constant value of distribution
-* @returns     entropy
+* @return      entropy
 *
 * @example
 * double y = stdlib_base_dists_degenerate_entropy( 0.1 );
-* // returns ~0.0
+* // returns 0.0
 */
 double stdlib_base_dists_degenerate_entropy( const double mu ) {
 	if ( stdlib_base_is_nan( mu ) ) {