diff --git a/engine/installation/linux/rhel.md b/engine/installation/linux/rhel.md
index b069ea1939..a30b21a006 100644
--- a/engine/installation/linux/rhel.md
+++ b/engine/installation/linux/rhel.md
@@ -34,7 +34,7 @@ Linux.
 
 ### OS requirements
 
-To install Docker, you need the 64-bit version of RHEL 7.
+To install Docker, you need the 64-bit version of RHEL 7, running on an x86 hardware platform.
 
 ### Uninstall old versions