.irbrc in active_memoize-2.0.2 vs .irbrc in active_memoize-2.0.3

@@ -3,11 +3,11 @@
 # Awesome print
 begin
   require 'awesome_print'
 
   AwesomePrint.irb!
-rescue LoadError => err
-  warn "Couldn't load awesome_print: #{err}"
+rescue LoadError => e
+  warn "Couldn't load awesome_print: #{e}"
 end
 
 # IRB
 require 'irb/completion'