[JENKINS-43320] Improve Spanish translations for JNLP configuration.

core/src/main/resources/hudson/util/HudsonIsRestarting/index_es.properties

@@ -20,5 +20,5 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-Please\ wait\ while\ Jenkins\ is\ restarting=Por favor espera hasta que jenkins acabe de reiniciarse.
+Please\ wait\ while\ Jenkins\ is\ restarting=Por favor espera hasta que Jenkins acabe de reiniciarse.
 Your\ browser\ will\ reload\ automatically\ when\ Jenkins\ is\ ready.=Su navegador recargará esta página cuando Jenkins esté listo.

core/src/main/resources/lib/form/serverTcpPort_es.properties

@@ -20,6 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-Fixed=Arreglado
-Random=Aleatoria
+Fixed=Fijo
+Random=Aleatorio
 Disable=Desactivar