diff --git a/src/languages/en.js b/src/languages/en.js
index 49113d6ea460..97cb445bba72 100755
--- a/src/languages/en.js
+++ b/src/languages/en.js
@@ -1036,7 +1036,7 @@ export default {
         createRoom: 'Create room',
         roomAlreadyExistsError: 'A room with this name already exists',
         roomNameReservedError: 'A room on this workspace already uses this name',
-        roomNameInvalidError: 'Room names can only contain letters, numbers and hyphens',
+        roomNameInvalidError: 'Room names can only include lowercase letters, numbers and hyphens',
         pleaseEnterRoomName: 'Please enter a room name',
         pleaseSelectWorkspace: 'Please select a workspace',
         renamedRoomAction: ({oldName, newName}) => ` renamed this room from ${oldName} to ${newName}`,
diff --git a/src/languages/es.js b/src/languages/es.js
index f3853d71cb95..f7a911c20758 100644
--- a/src/languages/es.js
+++ b/src/languages/es.js
@@ -1038,7 +1038,7 @@ export default {
         createRoom: 'Crea una sala de chat',
         roomAlreadyExistsError: 'Ya existe una sala con este nombre',
         roomNameReservedError: 'Una sala en este espacio de trabajo ya usa este nombre',
-        roomNameInvalidError: 'Los nombres de las salas solo pueden contener letras, números y guiones',
+        roomNameInvalidError: 'Los nombres de las salas solo pueden contener minúsculas, números y guiones',
         pleaseEnterRoomName: 'Por favor, escribe el nombre de una sala',
         pleaseSelectWorkspace: 'Por favor, selecciona un espacio de trabajo',
         renamedRoomAction: ({oldName, newName}) => ` cambió el nombre de la sala de ${oldName} a ${newName}`,
diff --git a/src/libs/RoomNameInputUtils.js b/src/libs/RoomNameInputUtils.js
index 6c2ee31775f9..3940996ec3fa 100644
--- a/src/libs/RoomNameInputUtils.js
+++ b/src/libs/RoomNameInputUtils.js
@@ -1,17 +1,14 @@
 import CONST from '../CONST';
 
 /**
- * Modifies the room name in the following ways:
- * - Replaces spaces with dashes
- * - Makes all letters lowercase
+ * Replaces spaces with dashes
  *
  * @param {String} roomName
  * @returns {String}
  */
 function modifyRoomName(roomName) {
     const modifiedRoomNameWithoutHash = roomName
-        .replace(/ /g, '-')
-        .toLowerCase();
+        .replace(/ /g, '-');
 
     return `${CONST.POLICY.ROOM_PREFIX}${modifiedRoomNameWithoutHash}`;
 }