diff --git a/README.md b/README.md
index 17a7373..6846edb 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,8 @@ Snipmate & UltiSnip Snippets
 
 This repository contains snippets files for various programming languages.
 
-It is community-maintained and many people have contributed snippet files and other
-improvements already.
+It is community-maintained and many people have contributed snippet files and
+other improvements already.
 
 Contents
 ========
@@ -82,6 +82,7 @@ to maintain snippets for a language, please get in touch.
 * Markdown - [honza](http://github.com/honza)
 * Ruby - [taq](http://github.com/taq)
 * PHP - [chrisyue](http://github.com/chrisyue)
+* Scala - [gorodinskiy](https://github.com/gorodinskiy)
 
 Contributing notes
 ------------------
diff --git a/snippets/coffee.snippets b/snippets/coffee.snippets
index 83b77eb..11c82e7 100644
--- a/snippets/coffee.snippets
+++ b/snippets/coffee.snippets
@@ -6,33 +6,33 @@ snippet forindo
 # Array comprehension
 snippet fora
 	for ${1:name} in ${2:array}
-		${3:// body...}
+		${3:# body...}
 # Object comprehension
 snippet foro
 	for ${1:key}, ${2:value} of ${3:object}
-		${4:// body...}
+		${4:# body...}
 # Range comprehension (inclusive)
 snippet forr
 	for ${1:name} in [${2:start}..${3:finish}]
-		${4:// body...}
+		${4:# body...}
 snippet forrb
 	for ${1:name} in [${2:start}..${3:finish}] by ${4:step}
-		${5:// body...}
+		${5:# body...}
 # Range comprehension (exclusive)
 snippet forrex
 	for ${1:name} in [${2:start}...${3:finish}]
-		${4:// body...}
+		${4:# body...}
 snippet forrexb
 	for ${1:name} in [${2:start}...${3:finish}] by ${4:step}
-		${5:// body...}
+		${5:# body...}
 # Function
 snippet fun
 	(${1:args}) ->
-		${2:// body...}
+		${2:# body...}
 # Function (bound)
 snippet bfun
 	(${1:args}) =>
-		${2:// body...}
+		${2:# body...}
 # Class
 snippet cla class ..
 	class ${1:`substitute(Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`}
@@ -55,17 +55,17 @@ snippet cla class .. extends .. constructor: ..
 # If
 snippet if
 	if ${1:condition}
-		${2:// body...}
+		${2:# body...}
 # If __ Else
 snippet ife
 	if ${1:condition}
-		${2:// body...}
+		${2:# body...}
 	else
-		${3:// body...}
+		${3:# body...}
 # Else if
 snippet elif
 	else if ${1:condition}
-		${2:// body...}
+		${2:# body...}
 # Ternary If
 snippet ifte
 	if ${1:condition} then ${2:value} else ${3:other}
@@ -76,7 +76,7 @@ snippet unl
 snippet swi
 	switch ${1:object}
 		when ${2:value}
-			${3:// body...}
+			${3:# body...}
 
 # Log
 snippet log
diff --git a/snippets/eruby.snippets b/snippets/eruby.snippets
index f96ca84..592e490 100644
--- a/snippets/eruby.snippets
+++ b/snippets/eruby.snippets
@@ -50,15 +50,15 @@ snippet cs
 snippet ct
 	<%= content_tag '${1:DIV}', ${2:content}${3:,options} %>
 snippet ff
-	<% form_for @${1:model} do |f| %>
+	<%= form_for @${1:model} do |f| %>
 		${2}
 	<% end %>
 snippet ffcb
 	<%= ${1:f}.check_box :${2:attribute} %>
 snippet ffe
 	<% error_messages_for :${1:model} %>
-	
-	<% form_for @${2:model} do |f| %>
+
+	<%= form_for @${2:model} do |f| %>
 		${3}
 	<% end %>
 snippet ffff
@@ -78,7 +78,7 @@ snippet ffta
 snippet fftf
 	<%= ${1:f}.text_field :${2:attribute} %>
 snippet fields
-	<% fields_for :${1:model}, @$1 do |${2:f}| %>
+	<%= fields_for :${1:model}, @$1 do |${2:f}| %>
 		${3}
 	<% end %>
 snippet i18
diff --git a/snippets/ruby.snippets b/snippets/ruby.snippets
index a9b45ad..fdf479a 100644
--- a/snippets/ruby.snippets
+++ b/snippets/ruby.snippets
@@ -890,22 +890,27 @@ snippet mrnc
 	rename_column :${1:table_name}, :${2:old_column_name}, :${3:new_column_name}
 snippet mcc
 	change_column :${1:table}, :${2:column}, :${3:type}
-snippet mccc
-	t.column :${1:title}, :${2:string}
+snippet mnc
+	t.${1:string} :${2:title}${3:, null: false}${4}
 snippet mct
 	create_table :${1:table_name} do |t|
-		t.column :${2:name}, :${3:type}
+		${2}
 	end
-snippet migration
+snippet migration class .. < ActiveRecord::Migration .. def up .. def down .. end
 	class ${1:class_name} < ActiveRecord::Migration
-		def self.up
+		def up
 			${2}
 		end
 
-		def self.down
+		def down
+		end
+	end
+snippet migration class .. < ActiveRecord::Migration .. def change .. end
+	class ${1:class_name} < ActiveRecord::Migration
+		def change
+			${2}
 		end
 	end
-
 snippet trc
 	t.remove :${1:column}
 snippet tre
@@ -913,7 +918,6 @@ snippet tre
 	${3}
 snippet tref
 	t.references :${1:model}
-
 #rspec
 snippet it
 	it "${1:spec_name}" do