@defun assoc-string key alist &optional case-fold
This function works like @code{assoc}, except that @var{key} must be a
-string, and comparison is done using @code{compare-strings}. If
-@var{case-fold} is non-@code{nil}, it ignores case differences.
+string or symbol, and comparison is done using @code{compare-strings}.
+Symbols are converted to strings before testing.
+If @var{case-fold} is non-@code{nil}, it ignores case differences.
Unlike @code{assoc}, this function can also match elements of the alist
-that are strings rather than conses. In particular, @var{alist} can
-be a list of strings rather than an actual alist.
+that are strings or symbols rather than conses. In particular, @var{alist} can
+be a list of strings or symbols rather than an actual alist.
@xref{Association Lists}.
@end defun