[FSTORE-1858] Fix the incorrect statement about hsfs and hsml packages (#515)

Author: aversey

docs/user_guides/migration/40_migration.md

@@ -19,11 +19,11 @@ A number of significant changes have been made in the Python API
 Hopsworks 4.0. Previously, in Hopsworks 3.X, there were 3 python 
 libraries used (“hopsworks”, “hsfs” & “hsml”) to develop feature, 
 training & inference pipelines, with the 4.0 release there is now 
-one single “hopsworks” python library that can should be used. For 
-backwards compatibility, it will still be possible to import both 
-the “hsfs” & “hsml” libraries but these are now effectively aliases 
-to the “hopsworks” python library and their use going forward should 
-be considered as deprecated.
+one single “hopsworks” python library that should be used. For 
+backwards compatibility, it is still possible to import both 
+the “hsfs” & “hsml” packages directly, but the proper way to 
+import them is to use “hopsworks.hsfs” & “hopsworks.hsml”.
+The direct imports will be deprecated later.
 
 Another significant change in the Hopsworks Python API is the use of 
 optional extras to allow a developer to easily import exactly what is