Update plotters.py

argopy/plotters.py

@@ -1,7 +1,7 @@
 #!/bin/env python
 # -*coding: UTF-8 -*-
 #
-# We try to import depedencies and catch missing module errors in order to avoid to load argopy just because
+# We try to import dependencies and catch missing module errors in order to avoid to load argopy just because
 # Matplotlib is not installed.
 #
 # Decorator warnUnless is mandatory