Fixed the "book name"-vs-"ZIM name" bug in docs

docs/kiwix-serve.rst

@@ -339,8 +339,8 @@ filtering criteria must be specified via the following URL parameters:
 * ``q`` - include in the results only entries that contain the specified text
   in the title or description.
 
-* ``name`` - include in the results only the entry with the specified
-  :term:`name <ZIM name>`.
+* ``name`` - include in the results only entries with a matching
+  :term:`book name <Book name>`.
 
 
 Examples:
@@ -617,9 +617,11 @@ A multi-ZIM search request must comply with the following constraints:
     a multi-ZIM search, however must respect the :ref:`multi-ZIM search
     constraints <multi-zim-search-constraints>`.
 
-    ``books.name``: :term:`name <ZIM name>` of the ZIM file. Can be repeated
-    for a multi-ZIM search, however must respect the :ref:`multi-ZIM search
-    constraints <multi-zim-search-constraints>`.
+    ``books.name``: :term:`name of the ZIM file <ZIM name>` (not to be confused
+    with ``books.filter.name`` which selects/filters based on the :term:`book
+    name <Book name>`). Can be repeated for a multi-ZIM search, however must
+    respect the :ref:`multi-ZIM search constraints
+    <multi-zim-search-constraints>`.
 
     ``books.filter.{criteria}``: allows to take full advantage of :ref:`library
     filtering <library-filtering>` functionality of the `/catalog/v2/entries`_
@@ -799,6 +801,13 @@ Glossary
 
 .. glossary::
 
+  Book name
+
+    Name of the book as specified in the ZIM file metadata (for a
+    ``kiwix-serve`` started *WITHOUT* the :option:`--library` option) or the
+    library XML file (for a ``kiwix-serve`` started with the
+    :option:`--library` option).
+
   ZIM filename
 
     Name of a ZIM file on the server filesystem.
@@ -808,15 +817,16 @@ Glossary
     Identifier of a ZIM file in the server's library (used for referring to a
     particular ZIM file in requests).
 
-    For a ``kiwix-serve`` started with a list of ZIM files, ZIM names are
-    derived from the filename by dropping the extension and replacing certain
-    characters (spaces are replaced with underscores, and ``+`` symbols are
-    replaced with the text ``plus``). Presence of the
-    :option:`-z`/:option:`--nodatealiases` option will create additional names
-    (aliases) for filenames with dates.
+    ZIM names are derived from the filenames as follows:
+
+    - file extension is removed,
+    - all characters are converted to lowercase,
+    - diacritics are removed,
+    - spaces are replaced with underscores,
+    - ``+`` symbols are replaced with the text ``plus``.
 
-    For a ``kiwix-serve`` started with the :option:`--library` option, ZIM
-    names come from the library XML file.
+    Presence of the :option:`-z`/:option:`--nodatealiases` option will create
+    additional names (aliases) for filenames with dates.
 
     ZIM names are expected to be unique across the library. Any name conflicts
     (including those caused by the usage of the