diff --git a/Userland/Libraries/LibWeb/DOM/Attribute.h b/Userland/Libraries/LibWeb/DOM/Attribute.h
index 1a95988870..5261a5bf7d 100644
--- a/Userland/Libraries/LibWeb/DOM/Attribute.h
+++ b/Userland/Libraries/LibWeb/DOM/Attribute.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -8,7 +8,7 @@
 
 #include <AK/FlyString.h>
 
-namespace Web {
+namespace Web::DOM {
 
 class Attribute {
 public:
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.cpp
index 70a1fbab03..460e0a3872 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.cpp
@@ -94,7 +94,7 @@ Optional<String> extract_character_encoding_from_meta_element(String const& stri
     return TextCodec::get_standardized_encoding(encoding);
 }
 
-Optional<Attribute> prescan_get_attribute(const ByteBuffer& input, size_t& position)
+Optional<DOM::Attribute> prescan_get_attribute(const ByteBuffer& input, size_t& position)
 {
     if (!prescan_skip_whitespace_and_slashes(input, position))
         return {};
@@ -109,7 +109,7 @@ Optional<Attribute> prescan_get_attribute(const ByteBuffer& input, size_t& posit
         } else if (input[position] == '\t' || input[position] == '\n' || input[position] == '\f' || input[position] == '\r' || input[position] == ' ')
             goto spaces;
         else if (input[position] == '/' || input[position] == '>')
-            return Attribute(attribute_name.to_string(), "");
+            return DOM::Attribute(attribute_name.to_string(), "");
         else
             attribute_name.append_as_lowercase(input[position]);
         ++position;
@@ -121,7 +121,7 @@ spaces:
     if (!prescan_skip_whitespace_and_slashes(input, position))
         return {};
     if (input[position] != '=')
-        return Attribute(attribute_name.to_string(), "");
+        return DOM::Attribute(attribute_name.to_string(), "");
     ++position;
 
 value:
@@ -134,13 +134,13 @@ value:
         ++position;
         for (; !prescan_should_abort(input, position); ++position) {
             if (input[position] == quote_character)
-                return Attribute(attribute_name.to_string(), attribute_value.to_string());
+                return DOM::Attribute(attribute_name.to_string(), attribute_value.to_string());
             else
                 attribute_value.append_as_lowercase(input[position]);
         }
         return {};
     } else if (input[position] == '>')
-        return Attribute(attribute_name.to_string(), "");
+        return DOM::Attribute(attribute_name.to_string(), "");
     else
         attribute_value.append_as_lowercase(input[position]);
 
@@ -150,7 +150,7 @@ value:
 
     for (; !prescan_should_abort(input, position); ++position) {
         if (input[position] == '\t' || input[position] == '\n' || input[position] == '\f' || input[position] == '\r' || input[position] == ' ' || input[position] == '>')
-            return Attribute(attribute_name.to_string(), attribute_value.to_string());
+            return DOM::Attribute(attribute_name.to_string(), attribute_value.to_string());
         else
             attribute_value.append_as_lowercase(input[position]);
     }
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.h b/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.h
index eff8190d95..4d9a1e9ab2 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.h
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLEncodingDetection.h
@@ -16,7 +16,7 @@ bool prescan_should_abort(const ByteBuffer& input, const size_t& position);
 bool prescan_is_whitespace_or_slash(const u8& byte);
 bool prescan_skip_whitespace_and_slashes(const ByteBuffer& input, size_t& position);
 Optional<String> extract_character_encoding_from_meta_element(String const&);
-Optional<Attribute> prescan_get_attribute(const ByteBuffer& input, size_t& position);
+Optional<DOM::Attribute> prescan_get_attribute(const ByteBuffer& input, size_t& position);
 Optional<String> run_prescan_byte_stream_algorithm(const ByteBuffer& input);
 String run_encoding_sniffing_algorithm(const ByteBuffer& input);