vmbase: Fix whitespace in README.md

Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Test: Rendered Markdown is prettier
Change-Id: I8d2a4f6263455e8bba111527dcd7bbd8b3de24ac
diff --git a/vmbase/README.md b/vmbase/README.md
index 42b9d7b..8e804c0 100644
--- a/vmbase/README.md
+++ b/vmbase/README.md
@@ -127,7 +127,7 @@
 ```ld
 MEMORY
 {
-	image		    : ORIGIN = 0x80200000, LENGTH = 2M
+	image		: ORIGIN = 0x80200000, LENGTH = 2M
 	writable_data	: ORIGIN = 0x80400000, LENGTH = 2M
 }
 ```