@c from here?
@item (ice-9 jacal)
This module contains hooks for using Aubrey Jaffer's symbolic math
-packge Jacal from Guile (@pxref{JACAL}).
+package Jacal from Guile (@pxref{JACAL}).
@end table
@subsection Low level dynamic linking
When using the low level procedures to do your dynamic linking, you have
-complete control over which library is loaded when and what get's done
+complete control over which library is loaded when and what gets done
with it.
@deffn {Scheme Procedure} dynamic-link library
indicated by @var{name}. Each definition that is added to it will be
automatically exported.
-The string @var{name} indicates the hierachical name of the new module.
+The string @var{name} indicates the hierarchical name of the new module.
It should consist of the individual components of the module name
separated by single spaces. That is, the Scheme module name @code{(foo
bar)}, which is a list, should be written as @code{"foo bar"} for the