Looks like it was missing from the beginning.
gdb/doc/ChangeLog:
2021-05-27 Hannes Domani <ssbssa@yahoo.de>
* python.texi (Symbols In Python): Document gdb.SYMBOL_LOC_LABEL.
+2021-05-27 Hannes Domani <ssbssa@yahoo.de>
+
+ * python.texi (Symbols In Python): Document gdb.SYMBOL_LOC_LABEL.
+
2021-05-25 Hannes Domani <ssbssa@yahoo.de>
* python.texi (Symbols In Python): Fix gdb.SYMBOL_LOC_COMMON_BLOCK.
Value not used. Symbols in the domain @code{SYMBOL_STRUCT_DOMAIN} all
have this class.
+@vindex SYMBOL_LOC_LABEL
+@item gdb.SYMBOL_LOC_LABEL
+Value is a label.
+
@vindex SYMBOL_LOC_BLOCK
@item gdb.SYMBOL_LOC_BLOCK
Value is a block.