docs(hermit versioning): fix typos (#16929)

lib/modules/versioning/hermit/readme.md

@@ -2,12 +2,11 @@ Hermit versioning is a mix of `version` and `channel`.
 
 **Version**
 
-Hermit's package version comes from the packge's original git tag. The version is
-an extension to semver, with an extra build number to accomondate package
-versions from OpenJDK, which has a value `15.0.1_9`.
+Hermit's package version comes from the package's original Git tag.
+The version is an extension to SemVer, with an extra build number to accommodate package versions from OpenJDK, which has a value `15.0.1_9`.
 
 **Channel**
 
-[Channel](https://cashapp.github.io/hermit/packaging/reference/#channels) could be hermit generated or user defined.
+[Channel](https://cashapp.github.io/hermit/packaging/reference/#channels) could be Hermit-generated or user-defined.
 Channel is considered unstable version and normally won't upgrade.
-If you would like to get out of Channel, you could replace the Channel with a given version number and let it managed by Renovate ongoing.
+If you would like to get out of Channel, you could replace the Channel with a given version number and let Renovate manage it.