diff --git a/docs/build.md b/docs/build.md
index 6df3d750544..4ea95dfe66a 100644
--- a/docs/build.md
+++ b/docs/build.md
@@ -8,6 +8,17 @@
    git lfs version
    ```
 
+   On some distributions (happens with Xubuntu x64 on VM) this might return an error like:
+   ```
+    git: 'lfs' is not a git command. See 'git --help'.
+    The most similar command is
+	log
+   ```
+    
+   if the above happens, you should first run:
+     `sudo apt install git-lfs`
+   in order to properly install the `lfs` package.
+     
    You should see the version of Git LFS you installed, for example:
 
    ```sh