Fixes syntax error #2506 (#2507)

* Fixes syntax error

* Use escape-chars instead

po/en.po

@@ -365,7 +365,7 @@ msgid "Packages to exclude"
 msgstr ""
 
 #: pkg/upgrade/service.go:294
-msgid "Packages to exclude: (eg: "1 2 3", "1-3", "^4" or repo name)"
+msgid "Packages to exclude: (eg: \"1 2 3\", \"1-3\", \"^4\" or repo name)"
 msgstr ""
 
 #: cmd.go:392
@@ -731,4 +731,4 @@ msgstr ""
 
 #: pkg/text/input.go:47
 msgid "yes"
-msgstr ""
+msgstr ""