Update docs/html/topics/dependency-resolution.md

Author: pfmoore

docs/html/topics/dependency-resolution.md

@@ -32,7 +32,7 @@ been done, and going back to choose another path.
 
 This can look like pip downloading multiple versions of the same package,
 since pip explicitly presents each download to the user. The backtracking of
-choices made during this step is not unexpected behaviour or a bug. It is part 
+choices made during this step is not unexpected behaviour or a bug. It is part
 of how dependency resolution for Python packages works.
 
 ````{admonition} Example