diff --git a/spec/rename_spec.cr b/spec/rename_spec.cr
index 87bf302..6108974 100644
--- a/spec/rename_spec.cr
+++ b/spec/rename_spec.cr
@@ -64,7 +64,8 @@ describe Rule do
   it "renders a few examples correctly" do
     rule = Rule.new "[Ch. {chapter }] {title | id} testing"
     rule.render({"id" => "ID"}).should eq "ID testing"
-    rule.render({"chapter" => "CH", "id" => "ID"}).should eq "Ch. CH ID testing"
+    rule.render({"chapter" => "CH", "id" => "ID"})
+      .should eq "Ch. CH ID testing"
     rule.render({} of String => String).should eq "testing"
   end
 end
diff --git a/src/handlers/upload_handler.cr b/src/handlers/upload_handler.cr
index a6db8b4..0846814 100644
--- a/src/handlers/upload_handler.cr
+++ b/src/handlers/upload_handler.cr
@@ -11,7 +11,9 @@ class UploadHandler < Kemal::Handler
       return call_next env
     end
 
-    ary = env.request.path.split(File::SEPARATOR).select { |part| !part.empty? }
+    ary = env.request.path.split(File::SEPARATOR).select do |part|
+      !part.empty?
+    end
     ary[0] = @upload_dir
     path = File.join ary
 
diff --git a/src/mangadex/api.cr b/src/mangadex/api.cr
index 8161ac5..18462bd 100644
--- a/src/mangadex/api.cr
+++ b/src/mangadex/api.cr
@@ -141,7 +141,8 @@ module MangaDex
     end
 
     def initialize
-      @base_url = Config.current.mangadex["api_url"].to_s || "https://mangadex.org/api/"
+      @base_url = Config.current.mangadex["api_url"].to_s ||
+                  "https://mangadex.org/api/"
       @lang = {} of String => String
       CSV.each_row {{read_file "src/assets/lang_codes.csv"}} do |row|
         @lang[row[1]] = row[0]
diff --git a/src/mango.cr b/src/mango.cr
index 4c3a100..b8ca7d1 100644
--- a/src/mango.cr
+++ b/src/mango.cr
@@ -19,7 +19,8 @@ OptionParser.parse do |parser|
     exit
   end
   parser.on "-c PATH", "--config=PATH",
-    "Path to the config file. Default is `~/.config/mango/config.yml`" do |path|
+    "Path to the config file. " \
+    "Default is `~/.config/mango/config.yml`" do |path|
     config_path = path
   end
 end
diff --git a/src/rename.cr b/src/rename.cr
index af115e6..3aefcef 100644
--- a/src/rename.cr
+++ b/src/rename.cr
@@ -85,8 +85,8 @@ module Rename
             raise "unmatched ] at position #{i}"
           end
           if !pattern.nil?
-            raise "patterns (`{}`) should be closed before closing the group " \
-                  "(`[]`)"
+            raise "patterns (`{}`) should be closed before closing the " \
+                  "group (`[]`)"
           end
           @ary.push group
           group = nil