doc: fix two small mistakes in 1.10 release notes
doc: fix two small mistakes in 1.10 release notes

Change-Id: If928b14f6cd89b1d78745e8bc7a081ccbd7fd38f
Reviewed-on: https://go-review.googlesource.com/90515
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

cloudflare/go,CAFxX/go,nawawi/go,cloudflare/go,golang/go,josharian/go,codestation/go,Cofyc/go,CAFxX/go,josharian/go,akutz/go,Cofyc/go,Cofyc/go,codestation/go,golang/go,nawawi/go,josharian/go,CAFxX/go,nawawi/go,christopher-henderson/Go,Cofyc/go,akutz/go,codestation/go,nawawi/go,nawawi/go,golang/go,CAFxX/go,josharian/go,CAFxX/go,cloudflare/go,codestation/go,codestation/go,cloudflare/go,akutz/go,akutz/go,Cofyc/go,josharian/go,nawawi/go,josharian/go,cloudflare/go,josharian/go,golang/go,cloudflare/go,CAFxX/go,akutz/go,akutz/go,cloudflare/go,nawawi/go,josharian/go,akutz/go,CAFxX/go,golang/go,cloudflare/go,CAFxX/go,golang/go,Cofyc/go,akutz/go,Cofyc/go,golang/go,codestation/go,Cofyc/go,codestation/go,codestation/go,golang/go,nawawi/go