runtime(doc): fix inconsistent indent (#14089)

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/pi_netrw.txt b/runtime/doc/pi_netrw.txt
index 90164e2..2b22105 100644
--- a/runtime/doc/pi_netrw.txt
+++ b/runtime/doc/pi_netrw.txt
@@ -642,7 +642,7 @@
 	work with your ftp client.  Otherwise the script will
 	prompt for user-id and password.
 
-        (*3) for ftp, "machine" may be machine#port or machine:port
+	(*3) for ftp, "machine" may be machine#port or machine:port
 	if a different port is needed than the standard ftp port
 
 	(*4) for http:..., if wget is available it will be used.  Otherwise,
@@ -788,7 +788,7 @@
 		(related: |netrw-userpass|)
 
 :NetrwSettings  This command is described in |netrw-settings| -- used to
-                display netrw settings and change netrw behavior.
+		display netrw settings and change netrw behavior.
 
 
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