Added MMX restriction
diff --git a/MinimumRequirements.md b/MinimumRequirements.md
index ce3f6d5..48a875d 100644
--- a/MinimumRequirements.md
+++ b/MinimumRequirements.md
@@ -56,7 +56,7 @@
 
 See https://golang.org/doc/install/source#environment
 
-* GO386=387: run on any Pentium or later processor.
+* GO386=387: run on any Pentium MMX or later processor.
 * GO386=sse2: run on any processor with at least SSE2 (the default).
 
 ### arm