repository(doc): update 'platform' information to reflect the current…

… usage (#164)

git-repository/src/lib.rs

@@ -47,8 +47,9 @@
 //!   However, other ways to adjust the `Repository` of long-running applications are possible. For instance, there could be a flag that
 //!   indicates a new `Repository` should be created (for instance, after it was changed) which causes the next server connection to
 //!   create a new one. This instance is the one to use when spawning new `EasyArc` instances.
-//! * 'Platform' types are used to hold mutable or shared versions of required state for use in dependent objects they create, like iterators.
-//!   These come with the benefit of allowing for nicely readable call chains.
+//! * `Platform` types are used to hold mutable or shared versions of required state for use in dependent objects they create, like iterators.
+//!   These come with the benefit of allowing for nicely readable call chains. Sometimes these are called `Platform` for a lack of a more specific
+//!   term, some are called more specifically like `Ancestors`.
 //!
 //! ### Terminology
 //!