docs: fix misspellings

Fix several misspellings in documentation and config comments detected by `misspell`.

docs/content/changelog.md

@@ -540,7 +540,7 @@ description: "Rclone Changelog"
   - [OVHcloud Object Storage](/s3/#ovhcloud) (Florent Vennetier)
   - [Zata](/s3/#Zata) ($@M@RTH_)
 - New Features
-  - Allow [global config to be overriden or set on backend creation](/docs/#globalconfig) (Nick Craig-Wood)
+  - Allow [global config to be overridden or set on backend creation](/docs/#globalconfig) (Nick Craig-Wood)
   - bisync: Promoted from beta to stable (nielash)
   - build
     - Update to go1.25 and make go1.24 the minimum required version (Nick Craig-Wood)
@@ -607,7 +607,7 @@ description: "Rclone Changelog"
     - This allows `--ca-cert`, `--client-cert` etc to be used.
     - This also allows `override.ca_cert = XXX` to be used in the config file.
 - Googlephotos
-  - Added warning for Google Photos compatability-fixes (raider13209)
+  - Added warning for Google Photos compatibility-fixes (raider13209)
 - Imagekit
   - Return correct error when attempting to upload zero length files (Nick Craig-Wood)
   - Don't low level retry uploads (Nick Craig-Wood)
@@ -1964,7 +1964,7 @@ instead of of `--size-only`, when `check` is not available.
   - Add `--drive-env-auth` to get IAM credentials from runtime (Peter Brunner)
   - Update drive service account guide (Juang, Yi-Lin)
   - Fix change notify picking up files outside the root (Nick Craig-Wood)
-  - Fix trailing slash mis-identificaton of folder as file (Nick Craig-Wood)
+  - Fix trailing slash mis-identification of folder as file (Nick Craig-Wood)
   - Fix incorrect remote after Update on object (Nick Craig-Wood)
 - Dropbox
   - Implement `--dropbox-pacer-min-sleep` flag (Nick Craig-Wood)