Updated Reconstruction from Video (markdown)

Reconstruction-from-Video.md

@@ -14,14 +14,14 @@ By default, OpenDroneMap does not build the SLAM module.  To build it we need to
 ```
 sudo apt-get install libglew-dev
 cd SuperBuild/build
-cmake -DODM_BUILD_SLAM=ON .
+cmake -DODM_BUILD_SLAM=ON ..
 make
 cd ../..
 ```
 **Build the SLAM module**
 ```
 cd build
-cmake -DODM_BULID_SLAM=ON .
+cmake -DODM_BUILD_SLAM=ON ..
 make
 cd ..
 ```