Replace 'Returns' with 'Gets'

Co-authored-by: Jonas Jensen <[email protected]>

Author: MathiasVP

cpp/ql/src/Documentation/CaptionedComments.qll

@@ -5,7 +5,7 @@
 import cpp
 
 /**
- * Returns a string representation of the comment `c` containing the caption 'TODO' or 'FIXME'.
+ * Gets a string representation of the comment `c` containing the caption 'TODO' or 'FIXME'.
  * If `c` spans multiple lines, all lines after the first are abbreviated as [...].
  */
 string getCommentTextCaptioned(Comment c, string caption) {