chore: add colon

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/ndarray/dmeanors/examples/c/example.c

@@ -66,7 +66,7 @@ int main( void ) {
 	// Compute the arithmetic mean value:
 	double v = stdlib_stats_dmeanors( arrays );
 
-	// Print the result
+	// Print the result:
 	printf( "mean: %lf\n", v );
 
 	// Free allocated memory: