cmd/go: fix typo in findInternal documentation
cmd/go: fix typo in findInternal documentation

Fixes #15217

Change-Id: Ib8f7af714197fd209e743f61f28a5b07c04a7f5c
Reviewed-on: https://go-review.googlesource.com/21793
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

momchil-velikov/go,goodlang/good,codestation/go,josharian/go,ganboing/go-esx,derekmarcotte/go,vsekhar/elastic-go,ganboing/go-esx,golang/go,theif519/go,4ad/go,akutz/go,ImJasonH/go,golang/go,4ad/go,suncycheng/go,Cofyc/go,momchil-velikov/go,nawawi/go,linux-on-ibm-z/go,theif519/go,cloudflare/go,codestation/go,vanloswang/go,vsekhar/elastic-go,theif519/go,linux-on-ibm-z/go,CAFxX/go,4ad/go,cloudflare/go,momchil-velikov/go,Cofyc/go,nawawi/go,polyverse-security/go,suncycheng/go,golang/go,derekmarcotte/go,momchil-velikov/go,linux-on-ibm-z/go,theif519/go,codestation/go,polyverse-security/go,theif519/go,cloudflare/go,momchil-velikov/go,ImJasonH/go,ganboing/go-esx,goodlang/good,CAFxX/go,polyverse-security/go,nawawi/go,codestation/go,suncycheng/go,codestation/go,derekmarcotte/go,4ad/go,josharian/go,suncycheng/go,linux-on-ibm-z/go,Cofyc/go,ImJasonH/go,goodlang/good,josharian/go,josharian/go,vanloswang/go,cloudflare/go,suncycheng/go,vanloswang/go,akutz/go,goodlang/good,vanloswang/go,codestation/go,christopher-henderson/Go,nawawi/go,linux-on-ibm-z/go,akutz/go,polyverse-security/go,ganboing/go-esx,4ad/go,Cofyc/go,vanloswang/go,CAFxX/go,CAFxX/go,Cofyc/go,josharian/go,polyverse-security/go,Cofyc/go,codestation/go,suncycheng/go,ImJasonH/go,CAFxX/go,linux-on-ibm-z/go,golang/go,polyverse-security/go,derekmarcotte/go,nawawi/go,linux-on-ibm-z/go,4ad/go,goodlang/good,akutz/go,derekmarcotte/go,nawawi/go,suncycheng/go,akutz/go,goodlang/good,josharian/go,josharian/go,goodlang/good,theif519/go,vsekhar/elastic-go,cloudflare/go,josharian/go,4ad/go,ganboing/go-esx,vsekhar/elastic-go,4ad/go,CAFxX/go,Cofyc/go,theif519/go,linux-on-ibm-z/go,nawawi/go,suncycheng/go,cloudflare/go,CAFxX/go,vsekhar/elastic-go,golang/go,vsekhar/elastic-go,ImJasonH/go,Cofyc/go,vanloswang/go,polyverse-security/go,vsekhar/elastic-go,cloudflare/go,ImJasonH/go,golang/go,derekmarcotte/go,codestation/go,vsekhar/elastic-go,ImJasonH/go,akutz/go,derekmarcotte/go,momchil-velikov/go,polyverse-security/go,akutz/go,ganboing/go-esx,cloudflare/go,akutz/go,derekmarcotte/go,golang/go,ganboing/go-esx,momchil-velikov/go,vanloswang/go,golang/go,ganboing/go-esx,vanloswang/go,ImJasonH/go,nawawi/go,theif519/go,CAFxX/go,goodlang/good,momchil-velikov/go