Change InvalidCostError string to explicitly state cost bounds range as inclusive, rather than using parentheses that might imply an exclusive range. Change-Id: Ie5e7d53ef4217c8560e6a7fe23e3d65ecc24a2a3 GitHub-Last-Rev: b49002b6b2cff0939858553a28e3f255bde397b6 GitHub-Pull-Request: golang/crypto#300 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/609455 Reviewed-by: Daniel McCarney <daniel@binaryparadox.net> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>