Merge pull request #1884 from mezzarobba/gr_comp_other_doc

fix documentation of gr_comp_other

doc/source/gr.rst

@@ -834,7 +834,7 @@ Ordering methods
               int gr_cmp_other(int * res, gr_srcptr x, gr_srcptr y, gr_ctx_t y_ctx, gr_ctx_t ctx)
 
     Sets *res* to -1, 0 or 1 according to whether *x* is less than,
-    equal or greater than the absolute value of *y*.
+    equal or greater than *y*.
     This may return ``GR_DOMAIN`` if the ring is not an ordered ring.
 
 .. function:: int gr_cmpabs(int * res, gr_srcptr x, gr_srcptr y, gr_ctx_t ctx)