Fix misspellings in python swiftclient

Fix misspellings detected by:
* pip install misspellings
* git ls-files | grep -v locale | misspellings -f -

Change-Id: I2fb042b3d9eb59cd404c52c775e5cc870e6157e1
Closes-Bug: #1257295

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/swift b/bin/swift
index 6459a43..f666284 100755
--- a/bin/swift
+++ b/bin/swift
@@ -1130,7 +1130,7 @@ st_capabilities_help = '''
 Retrieve capability of the proxy
 
 Optional positional arguments:
-  <proxy_url>           proxy URL of the cluster to retreive capabilities
+  <proxy_url>           proxy URL of the cluster to retrieve capabilities
 '''