diff --git a/README.md b/README.md
index 71163b3..787cefd 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ how the parameters work.
       # this causes `blacklist` to block the request
       Rack::Attack::Fail2Ban.filter(req.ip, :maxretry => 3, :findtime => 10.minutes, :bantime => 5.minutes) do
         # if block is truthy, the count for the IP is incremented
-        CGI.unescape(req.query_string) =~ %r{/etc/passwd} 
+        CGI.unescape(req.query_string) =~ %r{/etc/passwd}
       end
     end
 
diff --git a/lib/rack/attack/cache.rb b/lib/rack/attack/cache.rb
index 6b29ebb..9c54505 100644
--- a/lib/rack/attack/cache.rb
+++ b/lib/rack/attack/cache.rb
@@ -24,7 +24,7 @@ module Rack
       def read(unprefixed_key)
         store.read("#{prefix}:#{unprefixed_key}")
       end
-      
+
       def write(unprefixed_key, value, expires_in)
         store.write("#{prefix}:#{unprefixed_key}", value, :expires_in => expires_in)
       end
diff --git a/lib/rack/attack/store_proxy.rb b/lib/rack/attack/store_proxy.rb
index 0aa9e62..0c65aee 100644
--- a/lib/rack/attack/store_proxy.rb
+++ b/lib/rack/attack/store_proxy.rb
@@ -38,7 +38,7 @@ module Rack
 
         def increment(key, amount, options={})
           count = nil
-          self.pipelined do 
+          self.pipelined do
             count = self.incrby(key, amount)
             self.expire(key, options[:expires_in]) if options[:expires_in]
           end
diff --git a/spec/fail2ban_spec.rb b/spec/fail2ban_spec.rb
index e19ddee..44b5ef5 100644
--- a/spec/fail2ban_spec.rb
+++ b/spec/fail2ban_spec.rb
@@ -7,11 +7,11 @@ describe 'Rack::Attack.Fail2Ban' do
     @bantime  = 60
     Rack::Attack.cache.store = ActiveSupport::Cache::MemoryStore.new
     @f2b_options = {:bantime => @bantime, :findtime => @findtime, :maxretry => 2}
-    Rack::Attack.blacklist('pentest') do |req| 
+    Rack::Attack.blacklist('pentest') do |req|
       Rack::Attack::Fail2Ban.filter(req.ip, @f2b_options){req.query_string =~ /OMGHAX/}
     end
   end
-  
+
   describe 'discriminator has not been banned' do
     describe 'making ok request' do
       it 'succeeds' do
@@ -26,18 +26,18 @@ describe 'Rack::Attack.Fail2Ban' do
         it 'fails' do
           last_response.status.must_equal 503
         end
-        
+
         it 'increases fail count' do
           key = "rack::attack:#{Time.now.to_i/@findtime}:fail2ban:count:1.2.3.4"
           @cache.store.read(key).must_equal 1
         end
- 
+
         it 'is not banned' do
           key = "rack::attack:fail2ban:1.2.3.4"
           @cache.store.read(key).must_be_nil
         end
       end
-      
+
       describe 'when at maxretry' do
         before do
           # maxretry is 2 - so hit with an extra failed request first
@@ -96,7 +96,7 @@ describe 'Rack::Attack.Fail2Ban' do
         @cache.store.read(key).must_equal 1
       end
     end
-    
+
     describe 'making failing request' do
       before do
         get '/?foo=OMGHAX', {}, 'REMOTE_ADDR' => '1.2.3.4'
@@ -116,6 +116,6 @@ describe 'Rack::Attack.Fail2Ban' do
         @cache.store.read(key).must_equal 1
       end
     end
-    
+
   end
 end
diff --git a/spec/rack_attack_cache_spec.rb b/spec/rack_attack_cache_spec.rb
index a3998ab..3f7fac9 100644
--- a/spec/rack_attack_cache_spec.rb
+++ b/spec/rack_attack_cache_spec.rb
@@ -52,14 +52,14 @@ if ENV['TEST_INTEGRATION']
             @cache.send(:do_count, @key, @expires_in).must_equal 1
           end
         end
-        
+
         describe "write" do
           it "should write a value to the store with prefix" do
             @cache.write("cache-test-key", "foobar", 1)
             store.read(@key).must_equal "foobar"
           end
         end
-          
+
         describe "write after expiry" do
           it "must not have a value" do
             @cache.write("cache-test-key", "foobar", @expires_in)
@@ -67,7 +67,7 @@ if ENV['TEST_INTEGRATION']
             store.read(@key).must_be :nil?
           end
         end
-        
+
         describe "read" do
           it "must read the value with a prefix" do
             store.write(@key, "foobar", :expires_in => @expires_in)