@@ -169,8 +169,8 @@ Regular: **2-fixed**.
169169
170170##### Discussion
171171
172−This can be used to obtain type(s) from a list of types `p` that do not satisfy a
173−requirement given by `q`.
172+This can be used to obtain type(s) from a list of types `q` that do not satisfy a
173+requirement given by `p`.
174174
175175##### Examples
176176
@@ -204,8 +204,8 @@ Regular: **2-fixed**.
204204
205205##### Discussion
206206
207−This can be used to obtain type(s) from a list of types `p` that satisfy a
208−requirement given by `q`.
207+This can be used to obtain type(s) from a list of types `q` that satisfy a
208+requirement given by `p`.
209209
210210##### Examples
211211