cli: add short method summary to its documentation

cli/src/cli_util.rs

@@ -522,13 +522,15 @@ impl ReadonlyUserRepo {
     }
 }
 
-/// A bookmark that should be advanced to satisfy the "advance-bookmarks"
-/// feature. This is a helper for `WorkspaceCommandTransaction`. It provides a
-/// type-safe way to separate the work of checking whether a bookmark can be
-/// advanced and actually advancing it. Advancing the bookmark never fails, but
-/// can't be done until the new `CommitId` is available. Splitting the work in
-/// this way also allows us to identify eligible bookmarks without actually
-/// moving them and return config errors to the user early.
+/// A advanceable bookmark to satisfy the "advance-bookmarks" feature.
+///
+/// This is a helper for `WorkspaceCommandTransaction`. It provides a
+/// type-safe way to separate the work of checking whether a bookmark
+/// can be advanced and actually advancing it. Advancing the bookmark
+/// never fails, but can't be done until the new `CommitId` is
+/// available. Splitting the work in this way also allows us to
+/// identify eligible bookmarks without actually moving them and
+/// return config errors to the user early.
 pub struct AdvanceableBookmark {
     name: String,
     old_commit_id: CommitId,
@@ -1999,7 +2001,8 @@ Then run `jj squash` to move the resolution into the conflicted commit."#,
     }
 }
 
-/// A [`Transaction`] tied to a particular workspace.
+/// An ongoing [`Transaction`] tied to a particular workspace.
+///
 /// `WorkspaceCommandTransaction`s are created with
 /// [`WorkspaceCommandHelper::start_transaction`] and committed with
 /// [`WorkspaceCommandTransaction::finish`]. The inner `Transaction` can also be

cli/src/config.rs

@@ -455,10 +455,11 @@ pub fn existing_config_path() -> Result<Option<PathBuf>, ConfigError> {
     ConfigEnv::new().existing_config_path()
 }
 
-/// Returns a path to the user-specific config file. If no config file is found,
-/// tries to guess a reasonable new location for it. If a path to a new config
-/// file is returned, the parent directory may be created as a result of this
-/// call.
+/// Returns a path to the user-specific config file.
+///
+/// If no config file is found, tries to guess a reasonable new
+/// location for it. If a path to a new config file is returned, the
+/// parent directory may be created as a result of this call.
 pub fn new_config_path() -> Result<Option<PathBuf>, ConfigError> {
     ConfigEnv::new().new_config_path()
 }