[ci skip] Small fixes in ActionView documentation.

actionview/lib/action_view/helpers/asset_tag_helper.rb

@@ -29,7 +29,7 @@ module AssetTagHelper
       # to <tt>assets/javascripts</tt>, full paths are assumed to be relative to the document
       # root. Relative paths are idiomatic, use absolute paths only when needed.
       #
-      # When passing paths, the ".js" extension is optional.  If you do not want ".js"
+      # When passing paths, the ".js" extension is optional. If you do not want ".js"
       # appended to the path <tt>extname: false</tt> can be set on the options.
       #
       # You can modify the HTML attributes of the script tag by passing a hash as the

actionview/lib/action_view/helpers/form_options_helper.rb

@@ -143,7 +143,7 @@ module FormOptionsHelper
       #
       # The HTML specification says when +multiple+ parameter passed to select and all options got deselected
       # web browsers do not send any value to server. Unfortunately this introduces a gotcha:
-      # if an +User+ model has many +roles+ and have +role_ids+ accessor, and in the form that edits roles of the user
+      # if a +User+ model has many +roles+ and have +role_ids+ accessor, and in the form that edits roles of the user
       # the user deselects all roles from +role_ids+ multiple select box, no +role_ids+ parameter is sent. So,
       # any mass-assignment idiom like
       #

actionview/lib/action_view/template/resolver.rb

@@ -43,13 +43,13 @@ def initialize(options = {})
         end
       end
 
-      # preallocate all the default blocks for performance/memory consumption reasons
+      # Preallocate all the default blocks for performance/memory consumption reasons
       PARTIAL_BLOCK = lambda { |cache, partial| cache[partial] = SmallCache.new }
       PREFIX_BLOCK  = lambda { |cache, prefix|  cache[prefix]  = SmallCache.new(&PARTIAL_BLOCK) }
       NAME_BLOCK    = lambda { |cache, name|    cache[name]    = SmallCache.new(&PREFIX_BLOCK) }
       KEY_BLOCK     = lambda { |cache, key|     cache[key]     = SmallCache.new(&NAME_BLOCK) }
 
-      # usually a majority of template look ups return nothing, use this canonical preallocated array to save memory
+      # Usually a majority of template look ups return nothing, use this canonical preallocated array to save memory
       NO_TEMPLATES = [].freeze
 
       def initialize
@@ -75,7 +75,7 @@ def clear
         @query_cache.clear
       end
 
-      # Get the cache size.  Do not call this
+      # Get the cache size. Do not call this
       # method. This method is not guaranteed to be here ever.
       def size # :nodoc:
         size = 0