diff --git a/assets/js/epub.js b/assets/js/epub.js
index 573eaaaaf..678dc9403 100644
--- a/assets/js/epub.js
+++ b/assets/js/epub.js
@@ -4,4 +4,3 @@
 import hljs from 'highlight.js/build/highlight.pack'
 
 hljs.initHighlightingOnLoad()
-
diff --git a/lib/ex_doc/markdown/cmark.ex b/lib/ex_doc/markdown/cmark.ex
index 031810f55..2696cd45e 100644
--- a/lib/ex_doc/markdown/cmark.ex
+++ b/lib/ex_doc/markdown/cmark.ex
@@ -15,6 +15,6 @@ defmodule ExDoc.Markdown.Cmark do
   Generate HTML output. Cmark takes no options.
   """
   def to_html(text, _opts) do
-    Cmark.to_html(text)  |> ExDoc.Markdown.pretty_codeblocks
+    text |> Cmark.to_html()  |> ExDoc.Markdown.pretty_codeblocks()
   end
 end
diff --git a/lib/ex_doc/markdown/earmark.ex b/lib/ex_doc/markdown/earmark.ex
index d9eb07458..17862e13d 100644
--- a/lib/ex_doc/markdown/earmark.ex
+++ b/lib/ex_doc/markdown/earmark.ex
@@ -32,6 +32,6 @@ defmodule ExDoc.Markdown.Earmark do
              file: Keyword.get(opts, :file),
              breaks: Keyword.get(opts, :breaks, false),
              smartypants: Keyword.get(opts, :smartypants, true))
-    Earmark.as_html!(text, options) |> ExDoc.Markdown.pretty_codeblocks
+    text |> Earmark.as_html!(options) |> ExDoc.Markdown.pretty_codeblocks()
   end
 end
diff --git a/lib/ex_doc/retriever.ex b/lib/ex_doc/retriever.ex
index cefd59cad..1383ddf78 100644
--- a/lib/ex_doc/retriever.ex
+++ b/lib/ex_doc/retriever.ex
@@ -433,8 +433,8 @@ defmodule ExDoc.Retriever do
     end
   end
 
-  defp anno_line(line) when is_integer(line), do: line |> abs()
-  defp anno_line(anno), do: :erl_anno.line(anno) |> abs()
+  defp anno_line(line) when is_integer(line), do: abs(line)
+  defp anno_line(anno), do: anno |> :erl_anno.line() |> abs()
 
   # Detect if a module is an exception, struct,
   # protocol, implementation or simply a module
diff --git a/test/ex_doc/formatter/html_test.exs b/test/ex_doc/formatter/html_test.exs
index 585e38913..dfc0c1946 100644
--- a/test/ex_doc/formatter/html_test.exs
+++ b/test/ex_doc/formatter/html_test.exs
@@ -130,9 +130,9 @@ defmodule ExDoc.Formatter.HTMLTest do
     assert File.regular?("#{output_dir()}/CompiledWithDocs.html")
     assert File.regular?("#{output_dir()}/CompiledWithDocs.Nested.html")
 
-    assert [_] = "#{output_dir()}/dist/app-*.css" |> Path.wildcard
-    assert [_] = "#{output_dir()}/dist/app-*.js" |> Path.wildcard
-    assert [] = "#{output_dir()}/another_dir/dist/app-*.js.map" |> Path.wildcard
+    assert [_] = Path.wildcard("#{output_dir()}/dist/app-*.css")
+    assert [_] = Path.wildcard("#{output_dir()}/dist/app-*.js")
+    assert [] = Path.wildcard("#{output_dir()}/another_dir/dist/app-*.js.map")
 
     content = File.read!("#{output_dir()}/index.html")
     assert content =~ ~r{<meta http-equiv="refresh" content="0; url=api-reference.html">}
@@ -145,9 +145,9 @@ defmodule ExDoc.Formatter.HTMLTest do
     assert File.regular?("#{output_dir()}/another_dir/CompiledWithDocs.html")
     assert File.regular?("#{output_dir()}/another_dir/RandomError.html")
 
-    assert [_] = "#{output_dir()}/another_dir/dist/app-*.css" |> Path.wildcard
-    assert [_] = "#{output_dir()}/another_dir/dist/app-*.js" |> Path.wildcard
-    assert [_] = "#{output_dir()}/another_dir/dist/app-*.js.map" |> Path.wildcard
+    assert [_] = Path.wildcard("#{output_dir()}/another_dir/dist/app-*.css")
+    assert [_] = Path.wildcard("#{output_dir()}/another_dir/dist/app-*.js")
+    assert [_] = Path.wildcard("#{output_dir()}/another_dir/dist/app-*.js.map")
 
     content = File.read!("#{output_dir()}/another_dir/index.html")
     assert content =~ ~r{<meta http-equiv="refresh" content="0; url=RandomError.html">}
@@ -228,7 +228,7 @@ defmodule ExDoc.Formatter.HTMLTest do
   test "before_closing_*_tags are placed in the right place - generated pages" do
     config = doc_config([main: "readme"])
     generate_docs(config)
-    
+
     content = File.read!("#{output_dir()}/readme.html")
     assert content =~ ~r[#{@before_closing_head_tag_content_html}\s*</head>]
     assert content =~ ~r[#{@before_closing_body_tag_content_html}\s*</body>]
diff --git a/test/ex_doc_test.exs b/test/ex_doc_test.exs
index 7839d65d2..7610b7247 100644
--- a/test/ex_doc_test.exs
+++ b/test/ex_doc_test.exs
@@ -18,8 +18,12 @@ defmodule ExDocTest do
   test "build_config & normalize_options" do
     project = "Elixir"
     version = "1"
-    options = [formatter: IdentityFormatter, retriever: IdentityRetriever,
-               source_root: "root_dir", source_beam: "beam_dir",]
+    options = [
+      formatter: IdentityFormatter,
+      retriever: IdentityRetriever,
+      source_root: "root_dir",
+      source_beam: "beam_dir",
+    ]
 
     {_, config} = ExDoc.generate_docs project, version, Keyword.merge(options, [output: "test/tmp/ex_doc"])
     assert config.output == "test/tmp/ex_doc"