diff --git a/swad_changelog.h b/swad_changelog.h
index ba1abfa9b..e0bc4a355 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -212,13 +212,14 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.173 (2017-04-02)"
+#define Log_PLATFORM_VERSION	"SWAD 16.173.1 (2017-04-04)"
 #define CSS_FILE		"swad16.166.css"
 #define JS_FILE			"swad16.144.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.173.1: Apr 04, 2017	Some help URLs translated to spanish. (217542 lines)
         Version 16.173:   Apr 03, 2017	Some help URLs translated to spanish.
 					Fixed bugs and code refactoring in public profiles. (217541 lines)
         Version 16.172.3: Mar 31, 2017	Some help URLs translated to spanish. (217556 lines)
diff --git a/swad_help_URL.c b/swad_help_URL.c
index f6ba64750..23d388500 100644
--- a/swad_help_URL.c
+++ b/swad_help_URL.c
@@ -274,7 +274,7 @@ const char *Hlp_INSTITUTION_Information =
 #elif L==3
 	"INSTITUTION.Information";
 #elif L==4
-	"INSTITUTION.Information";
+	"INSTITUTION.Information.es";
 #elif L==5
 	"INSTITUTION.Information";
 #elif L==6
@@ -295,7 +295,7 @@ const char *Hlp_INSTITUTION_Centres =
 #elif L==3
 	"INSTITUTION.Centres";
 #elif L==4
-	"INSTITUTION.Centres";
+	"INSTITUTION.Centres.es";
 #elif L==5
 	"INSTITUTION.Centres";
 #elif L==6
@@ -316,7 +316,7 @@ const char *Hlp_INSTITUTION_Departments =
 #elif L==3
 	"INSTITUTION.Departments";
 #elif L==4
-	"INSTITUTION.Departments";
+	"INSTITUTION.Departments.es";
 #elif L==5
 	"INSTITUTION.Departments";
 #elif L==6
@@ -337,7 +337,7 @@ const char *Hlp_INSTITUTION_Departments_edit =
 #elif L==3
 	"INSTITUTION.Departments#edit";
 #elif L==4
-	"INSTITUTION.Departments#edit";
+	"INSTITUTION.Departments.es#editar";
 #elif L==5
 	"INSTITUTION.Departments#edit";
 #elif L==6
@@ -358,7 +358,7 @@ const char *Hlp_INSTITUTION_Places =
 #elif L==3
 	"INSTITUTION.Places";
 #elif L==4
-	"INSTITUTION.Places";
+	"INSTITUTION.Places.es";
 #elif L==5
 	"INSTITUTION.Places";
 #elif L==6
@@ -379,7 +379,7 @@ const char *Hlp_INSTITUTION_Places_edit =
 #elif L==3
 	"INSTITUTION.Places#edit";
 #elif L==4
-	"INSTITUTION.Places#edit";
+	"INSTITUTION.Places.es#editar";
 #elif L==5
 	"INSTITUTION.Places#edit";
 #elif L==6
@@ -400,7 +400,7 @@ const char *Hlp_INSTITUTION_Holidays =
 #elif L==3
 	"INSTITUTION.Holidays";
 #elif L==4
-	"INSTITUTION.Holidays";
+	"INSTITUTION.Holidays.es";
 #elif L==5
 	"INSTITUTION.Holidays";
 #elif L==6
@@ -421,7 +421,7 @@ const char *Hlp_INSTITUTION_Holidays_edit =
 #elif L==3
 	"INSTITUTION.Holidays#edit";
 #elif L==4
-	"INSTITUTION.Holidays#edit";
+	"INSTITUTION.Holidays.es#editar";
 #elif L==5
 	"INSTITUTION.Holidays#edit";
 #elif L==6