diff --git a/src/_icons/ce.svg b/src/_icons/ce.svg
index 0ff78c484..41f915948 100644
--- a/src/_icons/ce.svg
+++ b/src/_icons/ce.svg
@@ -1,4 +1,5 @@
 ---
+category: Symbols
 ---
 <svg>
   <path d="M11 4a8 8 0 1 0 0 16" />
diff --git a/src/_icons/chart-radar.svg b/src/_icons/chart-radar.svg
index 4bf268b46..b143fd52b 100644
--- a/src/_icons/chart-radar.svg
+++ b/src/_icons/chart-radar.svg
@@ -1,4 +1,5 @@
 ---
+category: Charts
 ---
 <svg>
   <path d="M12 3l9.5 7l-3.5 11h-12l-3.5 -11z" />
diff --git a/src/_icons/recycle.svg b/src/_icons/recycle.svg
index 14fe3a0f9..dba650b75 100644
--- a/src/_icons/recycle.svg
+++ b/src/_icons/recycle.svg
@@ -1,6 +1,7 @@
 ---
 tags: [trash, rubbish, recyclable, reuse, waste]
 version: 1.3
+category: Symbols
 ---
 <svg>
   <path d="M12 17l-2 2l2 2m-2 -2h9a2 2 0 0 0 1.75 -2.75l-.55 -1" />
diff --git a/src/_icons/servicemark.svg b/src/_icons/servicemark.svg
index 0bba24cf3..66d07f4f9 100644
--- a/src/_icons/servicemark.svg
+++ b/src/_icons/servicemark.svg
@@ -1,5 +1,6 @@
 ---
 version: 1.8
+category: Symbols
 ---
 <svg>
   <path d="M9 9h-2.5a1.5 1.5 0 0 0 0 3h1a1.5 1.5 0 0 1 0 3h-2.5" />
diff --git a/src/_icons/trademark.svg b/src/_icons/trademark.svg
index 27bc06422..281eae589 100644
--- a/src/_icons/trademark.svg
+++ b/src/_icons/trademark.svg
@@ -1,5 +1,6 @@
 ---
 version: 1.8
+category: Symbols
 ---
 <svg>
   <path d="M4.5 9h5m-2.5 0v6" />