diff --git a/keywords.txt b/keywords.txt
index 0916bc5..9e34862 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -12,12 +12,12 @@ Arduino_POSIXStorage	KEYWORD1
 # Methods and Functions (KEYWORD2)
 #######################################
 
-mount                           KEYWORD2
-unmount                         KEYWORD2
-register_hotplug_callback       KEYWORD2
-deregister_hotplug_callback     KEYWORD2
-mkfs                            KEYWORD2
+mount	KEYWORD2
+unmount	KEYWORD2
+register_hotplug_callback	KEYWORD2
+deregister_hotplug_callback	KEYWORD2
+mkfs	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)
-#######################################
\ No newline at end of file
+#######################################