fix major spelling mistake
@@ -8,7 +8,7 @@ There are two backends for interacting with Amazon's S3, one based
on boto3 and an older one based on boto. It is highly recommended that all
new projects (at least) use the boto3 backend since it has many bug fixes
and performance improvements over boto and is the future; boto is lightly
-maintained if at all. The boto based backed will continue to be maintained
+maintained if at all. The boto based backend will continue to be maintained
for the forseeable future.
For historical completeness an extreme legacy backend was removed
