* spend more cycles to find similarities between files, so it may
* be less likely that this heuristic is wanted. If someone is
* doing break detection, that means they do not want filename
- * similarity to imply any form of content similiarity, and thus
+ * similarity to imply any form of content similarity, and thus
* this heuristic would definitely be incompatible.
*/
* - remove ones not found in relevant_sources
* and
* - remove ones in relevant_sources which are needed only
- * for directory renames IF no ancestory directory
+ * for directory renames IF no ancestry directory
* actually needs to know any more individual path
* renames under them
*/