Minor wording improvements arising from review

conformance.adoc

@@ -706,13 +706,14 @@ sizes minus 1 (CDL index conventions).
   text: **`tie_point_variable: [tie_point_variable: ...]
   interpolation_variable`**. Each **`tie_point_variable`** token
   specifies a tie point variable that must exist in the file, and each
-  **`interpolation_variable`** token specifies an interpolation
-  variable that must exist in the file.
+  **`interpolation_variable`** token specifies a variable that must
+  exist in the file.
 
 * An interpolation variable must have one of the string-valued
   attributes **`interpolation_name`** or
   **`interpolation_description`**, but not both. The legal values for
-  the **`interpolation_name`** attribute are contained in Appendix J.
+  the **`interpolation_name`** attribute are contained in the
+  Interpolation Methods section of Appendix J.
 
 * An interpolation variable must have a **`tie_point_dimensions`**
   attribute that is a string whose value is a list of blank separated
@@ -769,10 +770,12 @@ sizes minus 1 (CDL index conventions).
 
 * When attached to an interpolation variable, the type of the
   **`interpolation_parameters`** attribute is a string whose value is
-  list of blank separated word pairs in the form **`term: var`**. The
-  legal values **`term`** are contained in Appendix J for each valid
-  **`interpolation_name`**. The values of **`var`** must be
-  interpolation parameter variables that exist in the file.
+  list of blank separated word pairs in the form **`term: var`**. For
+  each valid **`interpolation_name`**, the legal values for **`term`**
+  are described by the "Interpolation Parameter terms" table entry in
+  the Interpolation Methods section of Appendix J. The values of
+  **`var`** must be interpolation parameter variables that exist in
+  the file.
 
 * The dimensions of an interpolation parameter variable must be a
   subset of zero or more of the dimensions of the corresponding tie