diff --git a/packages/OS400/README.OS400 b/packages/OS400/README.OS400
index bbadddd412ee4febe82aa5dae2b4bc1a7519c0bf..81173430e2a51ce7f41f793a3c26b8c92019fa34 100644
--- a/packages/OS400/README.OS400
+++ b/packages/OS400/README.OS400
@@ -99,8 +99,8 @@ options:
         CURLOPT_USERAGENT
         CURLOPT_USERPWD
         CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
-	CURLOPT_CRLFILE
-	CURLOPT_ISSUERCERT
+        CURLOPT_CRLFILE
+        CURLOPT_ISSUERCERT
   Else it is the same as for curl_easy_setopt().
   Note that CURLOPT_ERRORBUFFER is not in the list above, since it gives the
 address of an (empty) character buffer, not the address of a string.