docHaystack: minor typo fixes

Author: mgiannini

src/docHaystack/doc/Associations.fandoc

@@ -32,8 +32,8 @@ Reciprocal Of [#reciprocalOf]
 *****************************
 The `reciprocalOf` tag is applied to an association to define its inverse term.
 For example:
-  - `tags` is reciprocalOf of `tagOn` (and vise versa)
-  - `quantities` is reciprocalOf of `quantityOf` (and vise versa)
+  - `tags` is reciprocalOf of `tagOn` (and vice versa)
+  - `quantities` is reciprocalOf of `quantityOf` (and vice versa)
 
 Reciprocals are used to coin terms which are intuitive for bi-directional
 [relationship queries]`Relationships#reciprocalOf`.  However to promote

src/docHaystack/doc/Choices.fandoc

@@ -9,7 +9,7 @@ Overview [#overview]
 ********************
 Choices define exclusive subtyping relationships.  For example `ductSection`
 is an exclusive choice of `ductSectionType`.  The subtypes of `ductSectionType`
-are *exclusive* - you choose one option such `discharge` or `return`.  But
+are *exclusive* - you choose one option such as `discharge` or `return`.  But
 you cannot use `discharge` and `return` together.
 
 Many common concepts in our ontology fit this pattern: