diff --git a/src/symbol-icon-theme.json b/src/symbol-icon-theme.json
index 3f3bdec..9f281e3 100644
--- a/src/symbol-icon-theme.json
+++ b/src/symbol-icon-theme.json
@@ -1250,6 +1250,9 @@
 		"source": "folder-orange-code",
 		"src": "folder-orange-code",
 		"lib": "folder-utils",
+		"doc": "folder-blue",
+		"docs": "folder-blue",
+		"documentation": "folder-blue",
 		"dist": "folder-purple-outline",
 		"out": "folder-purple-outline",
 		"build": "folder-purple-outline",