reword first non-x86 target section

Author: pietroalbini

posts/2020-12-31-Rust-1.49.0.md

@@ -50,10 +50,9 @@ bringing our highest guarantees to users of 64-bit ARM systems running Linux!
 We expect this change to benefit workloads spanning from embedded to desktops
 and servers.
 
-This is an important milestone for the project: it's the first time a non-x86
-target reaches the highest level of Quality Assurance and support provided by
-the Rust Team, and we hope this will pave the way for more targets to reach
-Tier 1 in the future.
+This is an important milestone for the project, since it's the first time a
+non-x86 target reaches Tier 1 support: we hope this will pave the way for more
+targets to reach our highest tier in the future.
 
 Note that Android is not affected by this change as it uses a different Tier 2
 target.