diff --git a/stand/efi/include/eficon.h b/stand/efi/include/eficon.h
index b5a387cb08fd..ba80114eb9be 100644
--- a/stand/efi/include/eficon.h
+++ b/stand/efi/include/eficon.h
@@ -421,7 +421,7 @@ EFI_STATUS
 
   Routine Description:
     Reads the next keystroke from the input device. The WaitForKey Event can
-    be used to test for existance of a keystroke via WaitForEvent () call.
+    be used to test for existence of a keystroke via WaitForEvent () call.
 
   Arguments:
     This       - Protocol instance pointer.
diff --git a/stand/i386/libi386/vbe.c b/stand/i386/libi386/vbe.c
index cd90e5d6daed..3caba3081f06 100644
--- a/stand/i386/libi386/vbe.c
+++ b/stand/i386/libi386/vbe.c
@@ -762,7 +762,7 @@ vbe_set_mode(int modenum)
 }
 
 /*
- * Verify existance of mode number or find mode by
+ * Verify existence of mode number or find mode by
  * dimensions. If depth is not given, walk values 32, 24, 16, 8.
  */
 static int
diff --git a/stand/libsa/geli/geliboot.c b/stand/libsa/geli/geliboot.c
index 954a3ec34044..f7069e3887ee 100644
--- a/stand/libsa/geli/geliboot.c
+++ b/stand/libsa/geli/geliboot.c
@@ -165,7 +165,7 @@ geli_taste(geli_readfunc readfunc, void *readpriv, daddr_t lastsector,
 
 	/*
 	 * We have a new known_device.  Whether it's geli-encrypted or not,
-	 * record its existance so we can avoid doing IO to probe it next time.
+	 * record its existence so we can avoid doing IO to probe it next time.
 	 */
 	if ((kdev = malloc(sizeof(*kdev))) == NULL)
 		goto out;