Some uppercase fixes (#2421)

frontend/apps/reader/modules/readertypeset.lua

@@ -67,7 +67,7 @@ function ReaderTypeset:genStyleSheetMenu()
     local style_table = {}
     local file_list = {
         {
-            text = _("clear all external styles"),
+            text = _("Clear all external styles"),
             css = ""
         },
         {

frontend/ui/otamanager.lua

@@ -32,8 +32,8 @@ local OTAManager = {
 }
 
 local ota_channels = {
-    stable = _("stable"),
-    nightly = _("develop"),
+    stable = _("Stable"),
+    nightly = _("Development"),
 }
 
 function OTAManager:getOTAModel()

frontend/ui/widget/menu.lua

@@ -683,7 +683,7 @@ function Menu:updateItems(select_number)
         self.page_info_last_chev:enableDisable(self.page < self.page_num)
         self.page_return_arrow:enableDisable(#self.paths > 0)
     else
-        self.page_info_text:setText(_("no choices available"))
+        self.page_info_text:setText(_("No choices available"))
     end
 
     UIManager:setDirty("all", function()

plugins/calibrecompanion.koplugin/main.lua

@@ -80,7 +80,7 @@ end
 
 function CalibreCompanion:addToMainMenu(tab_item_table)
     table.insert(tab_item_table.plugins, {
-        text = _("calibre wireless connection"),
+        text = _("Calibre wireless connection"),
         sub_item_table = {
             {
                 text_func = function()