fix typo mmedetection -> mmdetection (#2181)

mmdet/models/detectors/single_stage.py

@@ -52,7 +52,7 @@ class SingleStageDetector(BaseDetector):
     def forward_dummy(self, img):
         """Used for computing network flops.
 
-        See `mmedetection/tools/get_flops.py`
+        See `mmdetection/tools/get_flops.py`
         """
         x = self.extract_feat(img)
         outs = self.bbox_head(x)

mmdet/models/detectors/two_stage.py

@@ -97,7 +97,7 @@ class TwoStageDetector(BaseDetector, RPNTestMixin, BBoxTestMixin,
     def forward_dummy(self, img):
         """Used for computing network flops.
 
-        See `mmedetection/tools/get_flops.py`
+        See `mmdetection/tools/get_flops.py`
         """
         outs = ()
         # backbone