Update summarised_competencies.md

Co-authored-by: Magnus Hagdorn <[email protected]>

summarised_competencies.md

@@ -676,7 +676,7 @@ Some RSEs may be particularly specialized into the intricacies of a research dom
 #### Data-focused RSE
 Certain domains have a high demand for data science skills.
 This may be cleaning, sorting, analyzing and documenting data (\ac{RDM}, \ac{DMP}),
-perhaps anonymizing it (e.g. patient information in medicine),
+perhaps anonymising or pseudonymising them (e.g. patient information in medicine).
 and most often transferring securely and archiving properly \ac{FAIR} [@FAIR].
 
 <!--