docs/user-guide.md: Renamed legacy `FVP_TSP_RAM_LOCATION`
`FVP_TSP_RAM_LOCATION` has been renamed into `ARM_TSP_RAM_LOCATION`.
diff --git a/docs/user-guide.md b/docs/user-guide.md
index fa39c4b..047eaee 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -973,7 +973,7 @@
`-C cluster<X>.cpu<X>.RVBAR=@<base-address-of-bl31>`, to the new value of
`BL31_BASE`.
-9. Changing the default value of `FVP_TSP_RAM_LOCATION` will also require
+9. Changing the default value of `ARM_TSP_RAM_LOCATION` will also require
changing the value of
`--data="<path-to><bl32-binary>"@<base-address-of-bl32>` to the new value of
`BL32_BASE`.
