Add note about checksum

Author: Heliozoa

crates/tmc-langs-cli/README.md

@@ -16,7 +16,7 @@ In general, the API is structured as follows: there is an `output-kind` field wh
 
 ## Binary deployment and downloads
 
-Binaries for the supported targets are built and the binaries deployed to Google Cloud when creating a GitHub release. The binaries are available at https://download.mooc.fi/tmc-langs-rust/, with each binary following the file name format `tmc-langs-cli-{target}-{version}(.exe)`, with the `.exe` suffix added for the Windows binaries. For a list of targets see the README at the repository root. For example, The 64-bit Linux binary for version 0.5.0 is available at https://download.mooc.fi/tmc-langs-rust/tmc-langs-cli-x86_64-unknown-linux-gnu-0.5.0.
+Binaries for the supported targets are built and the binaries deployed to Google Cloud when creating a GitHub release. The binaries are available at https://download.mooc.fi/tmc-langs-rust/, with each binary following the file name format `tmc-langs-cli-{target}-{version}(.exe)`, with the `.exe` suffix added for the Windows binaries. For a list of targets see the README at the repository root. For example, The 64-bit Linux binary for version 0.5.0 is available at https://download.mooc.fi/tmc-langs-rust/tmc-langs-cli-x86_64-unknown-linux-gnu-0.5.0. SHA256 checksums are available by appending `.sha256` to the URL.
 
 ## Environment variables