Would that have been just with respect to language? The reason I'm saying this is that this isn't interchangeable. With respect to the DRC file, “impunity for sexual violence” was changed to how the Government of Canada “urges” the DRC “to take concerted measures to prevent sexual violence”. That's watered it down.
The other thing about this particular letter is that references to gender-based violence are removed. In the DRC, it has been reported in the media, rape is actually a weapon of war, so removing any references to gender-based violence isn't a language thing--it's a watering-down of Canadian policy. The concern seems to be not just with these so-called interchangeable words, but with the actual content that is not consistent with Canadian foreign policy.