Update Sources/ParseSwift/Objects/ParseInstallation+combine.swift

Co-authored-by: Tom Fox <[email protected]>

Author: cbaker6

Sources/ParseSwift/Objects/ParseInstallation+combine.swift

@@ -19,7 +19,7 @@ public extension ParseInstallation {
      Fetches the `ParseInstallation` *aynchronously* with the current data from the server
      and sets an error if one occurs. Publishes when complete.
      - parameter includeKeys: The name(s) of the key(s) to include that are
-     `ParseObjects`. Use `["*"]` to include all keys. This is similar to `include` and
+     `ParseObject`s. Use `["*"]` to include all keys. This is similar to `include` and
      `includeAll` for `Query`.
      - parameter options: A set of header options sent to the server. Defaults to an empty set.
      - returns: A publisher that eventually produces a single value and then finishes or fails.