Add @qayshp's change

Noorul Islam K M · Noorul Islam K M · commit 9130ccd70fe5 · 2016-03-04T11:41:31.000+05:30
diff --git a/notes/0.6.2.markdown b/notes/0.6.2.markdown
@@ -11,3 +11,4 @@
 * Chinese doc updates (@zp-j, @liujuncheng)
 * Minor improvements in style (@apivovarov)
 * README change to document overriding default meta data DB backend (@noorul)
+* README typo fix (@qayshp)
