diff --git a/README.md b/README.md
index 88c3150..178c648 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,9 @@
 
 “Dobby is free.”
 
-A Github action which provides chat-ops functionality. You can comment on Pull request to perform various operations.
-Currently it supports bumping version for a gem.
+A Github action which provides chat-ops functionality. You can comment on a pull request to perform various operations.
+Currently it supports bumping version files in Ruby, Python and Javascript. The version file (see below) must specify the version
+as a key-value pair separated by either ":" or "=", e.g. `VERSION: '1.2.3'` or `version = 1.2.3` 
 
 ## Bump version
 
@@ -14,8 +15,8 @@ Dobby requires a Github App to be installed either on an individual repository o
    - Set GitHub App name. 
    - Set Homepage URL to your github repository.
    - Uncheck Active under Webhook. You do not need to enter a Webhook URL.
-   - Under Repository permissions: Contents select Access: Read & write.
-   - Under Repository permissions: Pull requests select Access: Read & write. 
+   - Under Permissions & Events > Repository permissions > Contents select Access: Read & write.
+   - Under Permissions & Events > Repository permissions > Pull requests select Access: Read & write. 
 
 2. Create a Private key from the App settings page and store it securely.
 
diff --git a/lib/command.rb b/lib/command.rb
index 8c50aab..3dbff2f 100644
--- a/lib/command.rb
+++ b/lib/command.rb
@@ -11,8 +11,8 @@ class Command
   def initialize(config)
     @config = config
     comment = config.payload['comment']['body'].strip.downcase
-    error_msg = "Comment must be start with #{COMMAND_PREFIX}"
-    puts "::error title=Arguement Error::#{error_msg}"
+    error_msg = "Comment must start with #{COMMAND_PREFIX}"
+    puts "::error title=Argument Error::#{error_msg}"
     raise ArgumentError, error_msg unless comment.start_with?(COMMAND_PREFIX)
 
     cmd = comment.delete_prefix(COMMAND_PREFIX)
diff --git a/lib/utils/bump.rb b/lib/utils/bump.rb
index d1b104c..08b1e0e 100644
--- a/lib/utils/bump.rb
+++ b/lib/utils/bump.rb
@@ -4,9 +4,10 @@
 require_relative 'commit'
 
 class Bump
-  SEMVER_VERSION =
-    /["'](0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?["']/ # rubocop:disable Layout/LineLength
-  GEMSPEC_VERSION = Regexp.new(/\.version\s*=\s*/.to_s + SEMVER_VERSION.to_s).freeze
+  SEMVER = /["']*(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?["']*/ # rubocop:disable Layout/LineLength
+  SEPARATOR = /\s*[:=]\s*/
+  VERSION_KEY = /(^|\.|\s)version/
+  VERSION_SETTING = Regexp.new(VERSION_KEY.source + SEPARATOR.source + SEMVER.source, Regexp::IGNORECASE).freeze
 
   def initialize(config, level)
     @config = config
@@ -56,8 +57,8 @@ def assign_pr_attributes!(pr_number)
   end
 
   def fetch_version(content)
-    version = content.content.match(GEMSPEC_VERSION) || content.content.match(SEMVER_VERSION)
-    Semantic::Version.new(version[0].split('=').last.gsub(/\s/, '').gsub(/'|"/, ''))
+    version = content.content.match(VERSION_SETTING)
+    Semantic::Version.new(version[0].split(SEPARATOR).last.gsub(/\s/, '').gsub(/'|"/, ''))
   end
 
   def bump_version(version, level)