diff --git a/README.md b/README.md
index f9ad80c..1aa2973 100644
--- a/README.md
+++ b/README.md
@@ -61,8 +61,8 @@ Subsetting data using MOTU server
 </h3>
 
 The code below assumes that you have registered your account details
-using `option(CopernicusMarine_uid = "my_user_name")` and
-`option(CopernicusMarine_pwd = "my_password")`. If you are comfortable
+using `options(CopernicusMarine_uid = "my_user_name")` and
+`options(CopernicusMarine_pwd = "my_password")`. If you are comfortable
 that it is secure enough, you can also store these options in your
 `.Rprofile` such that they will be loaded each session. Otherwise, you
 can also provide your account details as arguments to the functions.