3 files changed, 14 insertions, 0 deletions
diff --git a/doc-tool/resources/_layouts/api-page.html b/doc-tool/resources/_layouts/api-page.html
index 3d4763ec7..f73d29ae7 100644
--- a/doc-tool/resources/_layouts/api-page.html
+++ b/doc-tool/resources/_layouts/api-page.html
@@ -22,6 +22,7 @@ extraCSS:
         <span id="entity-name">
             {{ entity.name }}
         </span>
+        {% if entity.typeParams.size > 0 %}
         <span id="entity-type-params">
             <span class="no-left">[</span>
             {% for param in entity.typeParams %}
@@ -35,6 +36,7 @@ extraCSS:
             {% endfor %}
             <span class="no-left">]</span>
         </span>
+        {% endif %}
         {% if entity.superTypes.size > 0 %}
         <div id="super-types">
             {% for super in entity.superTypes %}
diff --git a/doc-tool/src/dotty/tools/dottydoc/core/DocstringPhase.scala b/doc-tool/src/dotty/tools/dottydoc/core/DocstringPhase.scala
index 55f2a05ba..3de8f68f7 100644
--- a/doc-tool/src/dotty/tools/dottydoc/core/DocstringPhase.scala
+++ b/doc-tool/src/dotty/tools/dottydoc/core/DocstringPhase.scala
@@ -63,4 +63,8 @@ class DocstringPhase extends DocMiniPhase with CommentParser with CommentCleaner
   override def transformVal(implicit ctx: Context) = { case ent: ValImpl =>
     ent.copy(comment = parsedComment(ent))
   }
+
+  override def transformTypeAlias(implicit ctx: Context) = { case ent: TypeAliasImpl =>
+    ent.copy(comment = parsedComment(ent))
+  }
 }
diff --git a/doc-tool/src/dotty/tools/dottydoc/core/TypeLinkingPhases.scala b/doc-tool/src/dotty/tools/dottydoc/core/TypeLinkingPhases.scala
index 825cdf9ad..5e0099f4b 100644
--- a/doc-tool/src/dotty/tools/dottydoc/core/TypeLinkingPhases.scala
+++ b/doc-tool/src/dotty/tools/dottydoc/core/TypeLinkingPhases.scala
@@ -26,6 +26,14 @@ class LinkReturnTypes extends DocMiniPhase with TypeLinker {
     val returnValue = linkReference(vl, vl.returnValue, ctx.docbase.packages)
     vl.copy(returnValue = returnValue)
   }
+
+  override def transformTypeAlias(implicit ctx: Context) = { case ta: TypeAliasImpl =>
+    ta.alias.map { alias =>
+      val linkedAlias = linkReference(ta, alias, ctx.docbase.packages)
+      ta.copy(alias = Some(linkedAlias))
+    }
+    .getOrElse(ta)
+  }
 }
 
 class LinkParamListTypes extends DocMiniPhase with TypeLinker {