diff --git a/bootstrap/web/setup.php b/bootstrap/web/setup.php
index 1c43856..0c4b040 100644
--- a/bootstrap/web/setup.php
+++ b/bootstrap/web/setup.php
@@ -117,5 +117,8 @@ return [
       'username' => $c->get('email')->user->name,
       'password' => $c->get('email')->user->password
     ]);
+  },
+  Psr\Log\LoggerInterface::class => function(Container $c) {
+    return new ProVM\Common\Implementation\Logger(implode(DIRECTORY_SEPARATOR, [$c->get('folders.base'), 'admin.log']));
   }
 ];
diff --git a/common/Controller/Web/Admin/Nosotros.php b/common/Controller/Web/Admin/Nosotros.php
index 63af10e..22534b6 100644
--- a/common/Controller/Web/Admin/Nosotros.php
+++ b/common/Controller/Web/Admin/Nosotros.php
@@ -4,6 +4,7 @@ namespace ProVM\KI\Common\Controller\Web\Admin;
 use Psr\Container\ContainerInterface as Container;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Log\LoggerInterface as Logger;
 use ProVM\KI\Common\Alias\View;
 
 class Nosotros {
@@ -15,19 +16,30 @@ class Nosotros {
     $nosotros = trim(json_decode(trim(file_get_contents($filename))));
     return $view->render($response, 'admin.nosotros', compact('nosotros'));
   }
-  public function guardar(Request $request, Response $response, Container $container) {
+  public function guardar(Request $request, Response $response, Container $container, Logger $logger) {
+    $logger->info('Llamado a guardar en Nosotros.');
     $post = $request->getParsedBody();
+    $logger->info('Información en post:', compact('post'));
     $filename = implode(DIRECTORY_SEPARATOR, [
       $container->get('folders.data'),
       'nosotros.json'
     ]);
     $nosotros = trim(json_decode(trim(file_get_contents($filename))));
+    $logger->info('Contenido de nosotros.json', compact('nosotros'));
     $data = trim(json_decode(json_encode($post['nosotros'])));
 
     $status = false;
     if ($nosotros != $data) {
       $status = (file_put_contents($filename, json_encode($post['nosotros'])) !== false);
+      if ($status) {
+        $logger->info('Guardados los cambios en nosotros.json');
+      } else {
+        $logger->notice('No se pudo guardar los cambios en nosotros.json');
+      }
+    } else {
+      $logger->info('No se han hecho cambios en nosotros.');
     }
+
     $code = 301;
     if ($status) {
       $code = 302;
diff --git a/common/Controller/Web/Nosotros.php b/common/Controller/Web/Nosotros.php
index 5ae767a..90d84c7 100644
--- a/common/Controller/Web/Nosotros.php
+++ b/common/Controller/Web/Nosotros.php
@@ -17,11 +17,11 @@ class Nosotros {
     $max_phrase = 50;
     if (strlen($nosotros) > $min) {
       $half = strlen($nosotros) / 2;
-      $pos = strpos($nosotros, '.', $half);
-      if ($pos > $half + $max_phrase) {
-        $pos = strrpos($nosotros, '.', -$half);
+      $pos = mb_strpos($nosotros, '.', $half); // Siguiente punto despues de la mitad
+      if ($pos > $half + $max_phrase) { // Si está muy lejos de la mitad busca otra posicion
+        $pos = mb_strrpos($nosotros, '.', -$half) + 1; // Punto antes de la mitad
       }
-      $nosotros = $this->str_split_unicode($nosotros, $pos, '-');
+      $nosotros = $this->str_split_unicode($nosotros, $pos);
       if (count($nosotros) > 2) {
         $s1 = array_shift($nosotros);
         $nosotros = [$s1, implode('', $nosotros)];
diff --git a/provm/common/Implementation/Logger.php b/provm/common/Implementation/Logger.php
new file mode 100644
index 0000000..4e5de41
--- /dev/null
+++ b/provm/common/Implementation/Logger.php
@@ -0,0 +1,67 @@
+<?php
+namespace ProVM\Common\Implementation;
+
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
+use Carbon\Carbon;
+
+class Logger implements LoggerInterface {
+  protected $output_file;
+  public function __construct(string $filename) {
+    if (!file_exists($filename)) {
+      $f = fopen($filename, 'c');
+      fclose($f);
+    }
+    if (!file_exists($filename)) {
+      throw new \Exception('Can not create log file.');
+    }
+    $this->output_file = $filename;
+  }
+  public function emergency($message, array $context = []) {
+    return $this->log(LogLevel::EMERGENCY, $message, $context);
+  }
+  public function alert($message, array $context = []) {
+    return $this->log(LogLevel::ALERT, $message, $context);
+  }
+  public function critical($message, array $context = []) {
+    return $this->log(LogLevel::CRITICAL, $message, $context);
+  }
+  public function error($message, array $context = []) {
+    return $this->log(LogLevel::ERROR, $message, $context);
+  }
+  public function warning($message, array $context = []) {
+    return $this->log(LogLevel::WARNING, $message, $context);
+  }
+  public function notice($message, array $context = []) {
+    return $this->log(LogLevel::NOTICE, $message, $context);
+  }
+  public function info($message, array $context = []) {
+    return $this->log(LogLevel::INFO, $message, $context);
+  }
+  public function debug($message, array $context = []) {
+    return $this->log(LogLevel::DEBUG, $message, $context);
+  }
+  public function log($level, $message, array $context = []) {
+    $refl = new \ReflectionClass(LogLevel::class);
+    $levels = $refl->getConstants();
+    if (array_search($level, array_values($levels)) === false) {
+      throw new \InvalidArgumentException('Invalid log level.');
+    }
+
+    $f = Carbon::now('America/Santiago');
+    $output = [
+      'time' => $f->format('Y-m-d H:i:s,v'),
+      'message' => $message
+    ];
+    if (count($context) > 0) {
+      $output['context'] = $context;
+    }
+
+    $data = json_decode(trim(file_get_contents($this->output_file)));
+    if ($data === null) {
+      $data = [];
+    }
+    $data []= $output;
+    file_put_contents($this->output_file, json_encode($data, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
+  }
+}