diff --git a/doc/filesystem.rst b/doc/filesystem.rst
index 57b69d383..a5a3cffbb 100644
--- a/doc/filesystem.rst
+++ b/doc/filesystem.rst
@@ -61,7 +61,8 @@ following include to the sketch:
 
 .. code:: cpp
 
-    #include "FS.h"
+    //#include "FS.h" // SPIFFS is declared
+    #include "LittleFS.h" // LittleFS is declared
 
 SPIFFS Deprecation Warning
 --------------------------
diff --git a/libraries/esp8266/keywords.txt b/libraries/esp8266/keywords.txt
index 702696646..1f100ff0e 100644
--- a/libraries/esp8266/keywords.txt
+++ b/libraries/esp8266/keywords.txt
@@ -120,6 +120,7 @@ coreVersionNumeric	LITERAL1
 
 # Filesystem objects
 SPIFFS	KEYWORD1
+LittleFS	KEYWORD1
 SDFS	KEYWORD1
 File	KEYWORD1
 Dir	KEYWORD1