Merge pull request #2286 from BernhardDenner/rb_plugin_fix_readme

Ruby plugin: fix docu for Ruby plugin

doc/news/_preparation_next_release.md

@@ -241,6 +241,7 @@ you up to date with the multi-language support provided by Elektra.
 
 - We fixed some minor spelling mistakes in the documentation. *(René Schwaiger)*
 - The ReadMe now includes two badges that show the latest released version of Elektra and the status of the Travis build. *(René Schwaiger)*
+- Fixed documenation error on Ruby plugin Readme. *(Bernhard Denner)*
 - <<TODO>>
 - Go into more detail in
     [BUILDSERVER.md](https://master.libelektra.org/doc/BUILDSERVER.md).

src/plugins/ruby/README.md

@@ -53,7 +53,8 @@ Kdb::Plugin.define :somename do
   #  - -1      : error during initialization
   def open(errorKey)
 
-    # generally it is save to simply throw an exception. This has the same
+    # perform plugin initialization
+    # if an error occurs it is save to simply throw an exception. This has the same
     # semantic as returning -1
   end
 
@@ -123,7 +124,7 @@ Kdb::Plugin.define :somename do
   #  - nil or 1 : on success
   #           0 : on success with no action
   #          -1 : failure
-  def set(returned, parentKey)
+  def error(returned, parentKey)
 
   end