Making the docs more explicit

skimage/feature/_brief.py

@@ -16,7 +16,7 @@ def brief(image, keypoints, descriptor_size=256, mode='normal', patch_size=49,
     image : 2D ndarray
         Input image.
     keypoints : (P, 2) ndarray
-        Array of keypoint locations.
+        Array of keypoint locations in the format (row, col).
     descriptor_size : int
         Size of BRIEF descriptor about each keypoint. Sizes 128, 256 and 512
         preferred by the authors. Default is 256.
@@ -44,8 +44,8 @@ def brief(image, keypoints, descriptor_size=256, mode='normal', patch_size=49,
         (i, j) either being True or False representing the outcome
         of Intensity comparison about ith keypoint on jth decision pixel-pair.
     keypoints : (Q, 2) ndarray
-        Keypoints after removing out those that are near border.
-        Returned only if return_keypoints is True.
+        Location i.e. (row, col) of keypoints after removing out those that
+        are near border.
 
     References
     ----------

skimage/feature/censure.py

@@ -160,7 +160,7 @@ def censure_keypoints(image, n_scales=7, mode='DoB', non_max_threshold=0.15,
     Returns
     -------
     keypoints : (N, 2) array
-        Location of extracted keypoints.
+        Location of the extracted keypoints in the (row, col) format.
 
     scale : (N, 1) array
         The corresponding scale of the N extracted keypoints.