diff --git a/app/assets/javascripts/app/controllers/widget/dev_banner.coffee b/app/assets/javascripts/app/controllers/widget/dev_banner.coffee
index a8f7f5c9e..28d534391 100644
--- a/app/assets/javascripts/app/controllers/widget/dev_banner.coffee
+++ b/app/assets/javascripts/app/controllers/widget/dev_banner.coffee
@@ -5,10 +5,10 @@ class Widget
     banner = """
 |
 | Welcome Zammad Developer!
-| You can enable debugging by the following examples (value is a regex):
+| You can enable debugging with the following examples (value is a regex):
 |
 | App.Log.config('module', '(websocket|delay|interval)') // enable debugging for websocket, delay and interval class
-| App.Log.config('content', 'send')                      // enable debugging for messages which contains the string 'send'
+| App.Log.config('content', 'send')                      // enable debugging for messages which contain the string 'send'
 | App.Log.config('banner', false)                        // disable this banner
 |
 | App.Log.config()         // current settings
diff --git a/lib/core_ext/string.rb b/lib/core_ext/string.rb
index 6552f3e99..f93035d93 100644
--- a/lib/core_ext/string.rb
+++ b/lib/core_ext/string.rb
@@ -81,7 +81,7 @@ class String
   def html2text(string_only = false, strict = false)
     string = "#{self}" # rubocop:disable Style/UnneededInterpolation
 
-    # in case of invalid encodeing, strip invalid chars
+    # in case of invalid encoding, strip invalid chars
     # see also test/fixtures/mail21.box
     # note: string.encode!('UTF-8', 'UTF-8', :invalid => :replace, :replace => '?') was not detecting invalid chars
     if !string.valid_encoding?