Fix log message

pglombardo · pglombardo · commit f326fa4e83ce · 2017-07-27T14:50:04.000+02:00
diff --git a/instana/propagator.py b/instana/propagator.py
@@ -52,4 +52,4 @@ def extract(self, carrier):  # noqa
                 baggage={},
                 sampled=True)
         except Exception as e:
-            log.debug("inject error: ", str(e))
+            log.debug("extract error: ", str(e))
