Updated ICP (markdown)

ICP.md

@@ -25,6 +25,7 @@ In this case, we do the same: we compute a visual transformation to find a guess
 The ICP error on the second case is difficult to detect. For example, the euclidean fitness score (e.g., sum of squared distances from the source to the target) of the first case is 0.005312 and the second case is 0.002064. Generally, a fitness under 0.1 gives good results. However, in the second case, the fitness is even lower than in the first case, which makes this criterion not robust to detect such wrong cases. For this reason, ICP is disabled by default in RTAB-Map. 
 
 You can try the examples above on the corresponding PCD files:
+
 | First case | Second case |
 | ---------- | ----------- |
 | [old.pcd](https://raw.githubusercontent.com/wiki/introlab/rtabmap/doc/icp_error/ok/old.pcd) | [old.pcd](https://raw.githubusercontent.com/wiki/introlab/rtabmap/doc/icp_error/wrong/old.pcd) |