remove various typos

lib/envied/cli.rb

@@ -25,10 +25,10 @@ def version
     def extract
       globs = options[:globs]
       globs << "{test,spec}/*" if options[:tests]
-      var_occurences = ENVied::EnvVarExtractor.new(globs: globs).extract
+      var_occurrences = ENVied::EnvVarExtractor.new(globs: globs).extract
 
-      puts "Found %d occurrences of %d variables:" % [var_occurences.values.flatten.size, var_occurences.size]
-      var_occurences.sort.each do |var, occs|
+      puts "Found %d occurrences of %d variables:" % [var_occurrences.values.flatten.size, var_occurrences.size]
+      var_occurrences.sort.each do |var, occs|
         puts var
         occs.sort_by{|i| i[:path].size }.each do |occ|
           puts "* %s:%s" % occ.values_at(:path, :line)

lib/envied/env_var_extractor.rb

@@ -42,7 +42,7 @@ def capture_variables(line)
     end
 
     # Extract all keys recursively from files found via `globs`.
-    # Any occurence of `ENV['A']` or `ENV.fetch('A')` in code (not in comments), will result
+    # Any occurrence of `ENV['A']` or `ENV.fetch('A')` in code (not in comments), will result
     # in 'A' being extracted.
     #
     # @param globs [Array<String>] the collection of globs