Fixed capitalization

Author: Brad Umbaugh

BETA-TOS.md

@@ -1,4 +1,4 @@
-# Beta SDK terms of service
+# Beta SDK Terms of Service
 
 The following terms of service apply to beta versions of the Iterable
 iOS and Android SDKs:
@@ -13,4 +13,4 @@ use in production.
 
 Iterable attempts to move beta SDKs out of beta (to general availability)
 four weeks after the start of the beta period. However, this timeline is not
-guaranteed
+guaranteed