Issue #8018 has been updated by marcandre (Marc-Andre Lafortune). Status changed from Open to Closed Already fixed by r39575, see https://github.com/ruby/ruby/pull/255 ---------------------------------------- Bug #8018: Typo in Class: Encoding documentation. Encoding::UTF-8 instead of Encoding::UTF_8 https://bugs.ruby-lang.org/issues/8018#change-37313 Author: eljojo (Jose Tomas Albornoz) Status: Closed Priority: Low Assignee: zzak (Zachary Scott) Category: doc Target version: ruby -v: 2.0 Hi, there's a typo in the Encoding Class documentation. http://ruby-doc.org/core-2.0/Encoding.html In the Changing an encoding section, in the example says string.force_encoding(Encoding::UTF-8) instead of string.force_encoding(Encoding::UTF_8) The current example causes an NameError: uninitialized constant Encoding::UTF error -- http://bugs.ruby-lang.org/