diff --git a/build.gradle b/build.gradle
index 4be42ff9..0f1a5357 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,6 +48,12 @@ task aggregatedJavadocs(type: Javadoc, group: 'Documentation') {
// options.memberLevel = JavadocMemberLevel.PRIVATE
options.links 'https://docs.oracle.com/javase/8/docs/api/'
options.encoding 'UTF-8'
+ // Fixes unknown tag @implNote; the other two were added precautionary
+ options.tags = [
+ "apiNote:a:API Note:",
+ "implSpec:a:Implementation Requirements:",
+ "implNote:a:Implementation Note:"
+ ]
subprojects.each { project ->
project.tasks.withType(Javadoc).each { javadocTask ->
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/comments/CommentsInfoItemExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/comments/CommentsInfoItemExtractor.java
index 8d844d4f..783ce55f 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/comments/CommentsInfoItemExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/comments/CommentsInfoItemExtractor.java
@@ -12,8 +12,8 @@ import javax.annotation.Nullable;
public interface CommentsInfoItemExtractor extends InfoItemExtractor {
/**
- * Return the like count of the comment, or -1 if it's unavailable
- *
+ * Return the like count of the comment, or -1 if it's unavailable<
+ *
* NOTE: Currently only implemented for YT {@link YoutubeCommentsInfoItemExtractor#getLikeCount()}
* with limitations (only approximate like count is returned)
*
@@ -24,8 +24,8 @@ public interface CommentsInfoItemExtractor extends InfoItemExtractor {
}
/**
- * The unmodified like count given by the service
- *
+ * The unmodified like count given by the service
+ *
* It may be language dependent
*/
default String getTextualLikeCount() throws ParsingException {
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsInfoItemExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsInfoItemExtractor.java
index e1f214bb..cce064a6 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsInfoItemExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsInfoItemExtractor.java
@@ -72,10 +72,10 @@ public class YoutubeCommentsInfoItemExtractor implements CommentsInfoItemExtract
}
/**
- * @implNote The method is parsing internally a localized string.
+ * @implNote The method is parsing internally a localized string.
*