Fix typo in conda-recipe README.

Co-authored-by: Binod Gyawali <[email protected]>

Author: desilinguist

conda-recipe/README.md

@@ -4,7 +4,7 @@
 
 2. This will create a single noarch Python package.
 
-3. Upload the package file to anaconda.org using `anaconda upload --user ets <path_to_files>`.
+3. Upload the package file to anaconda.org using `anaconda upload --user ets <path_to_file>`.
 
 4. Test the package: `conda create -n foobar -c ets -c conda-forge python=3.9 skll`. This should _always_ install the latest package from the ``ets`` conda channel.
    Note that we are specifying the ``ets`` channel first since SKLL is now also in conda-forge but runs a version behind until we do the actual release on GitHub.