@cindex incremental search, edit search string
@cindex interactively edit search string
@kindex M-e @r{(Incremental search)}
-@kindex Mouse-1 @r{in the minibuffer (Incremental Search)}
+@kindex mouse-1 @r{in the minibuffer (Incremental Search)}
To edit the current search string in the minibuffer without
replacing it with items from the search ring, type @kbd{M-e} or click
-@kbd{Mouse-1} in the minibuffer. Type @key{RET}, @kbd{C-s} or
+@kbd{mouse-1} in the minibuffer. Type @key{RET}, @kbd{C-s} or
@kbd{C-r} to finish editing the string and search for it. Type
@kbd{C-f} or @kbd{@key{RIGHT}} to add to the search string characters
following point from the buffer from which you started the search.
@kindex C-y @r{(Incremental search)}
@kindex M-y @r{(Incremental search)}
-@kindex Mouse-2 @r{in the minibuffer (Incremental search)}
+@kindex mouse-2 @r{in the minibuffer (Incremental search)}
@findex isearch-yank-kill
@findex isearch-yank-pop
@findex isearch-yank-x-selection
appends the current kill to the search string. @kbd{M-y}
(@code{isearch-yank-pop}), if called after @kbd{C-y}, replaces that
appended text with an earlier kill, similar to the usual @kbd{M-y}
-(@code{yank-pop}) command (@pxref{Yanking}). Clicking @kbd{Mouse-2}
+(@code{yank-pop}) command (@pxref{Yanking}). Clicking @kbd{mouse-2}
in the echo area appends the current X selection (@pxref{Primary
Selection}) to the search string (@code{isearch-yank-x-selection}).