diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index d8c6ede1..084a3483 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -93,10 +93,10 @@ class Script(object):
                  encoding='utf-8', source_path=None, source_encoding=None,
                  sys_path=None):
         if source_path is not None:
-            warnings.warn("Use path instead of source_path.", DeprecationWarning)
+            warnings.warn("Deprecated since version 0.7. Use path instead of source_path.", DeprecationWarning, stacklevel=2)
             path = source_path
         if source_encoding is not None:
-            warnings.warn("Use encoding instead of source_encoding.", DeprecationWarning)
+            warnings.warn("Deprecated since version 0.8. Use encoding instead of source_encoding.", DeprecationWarning, stacklevel=2)
             encoding = source_encoding
 
         self._orig_path = path
@@ -158,7 +158,7 @@ class Script(object):
            Use :attr:`.path` instead.
         .. todo:: Remove!
         """
-        warnings.warn("Use path instead of source_path.", DeprecationWarning)
+        warnings.warn("Deprecated since version 0.7. Use path instead of source_path.", DeprecationWarning, stacklevel=2)
         return self.path
 
     def __repr__(self):
diff --git a/jedi/api/classes.py b/jedi/api/classes.py
index 315195db..24b1bee3 100644
--- a/jedi/api/classes.py
+++ b/jedi/api/classes.py
@@ -254,7 +254,7 @@ class BaseDefinition(object):
            Use :meth:`.docstring` instead.
         .. todo:: Remove!
         """
-        warnings.warn("Use docstring() instead.", DeprecationWarning)
+        warnings.warn("Deprecated since Jedi 0.8. Use docstring() instead.", DeprecationWarning, stacklevel=2)
         return self.docstring(raw=False)
 
     @property
@@ -264,7 +264,7 @@ class BaseDefinition(object):
            Use :meth:`.docstring` instead.
         .. todo:: Remove!
         """
-        warnings.warn("Use docstring() instead.", DeprecationWarning)
+        warnings.warn("Deprecated since Jedi 0.8. Use docstring() instead.", DeprecationWarning, stacklevel=2)
         return self.docstring(raw=True)
 
     @property
@@ -656,7 +656,7 @@ class CallSignature(Definition):
 
         The name (e.g. 'isinstance') as a string.
         """
-        warnings.warn("Use name instead.", DeprecationWarning)
+        warnings.warn("Deprecated since Jedi 0.8. Use name instead.", DeprecationWarning, stacklevel=2)
         return self.name
 
     @property
@@ -685,7 +685,7 @@ class _Param(Definition):
 
         A function to get the whole code of the param.
         """
-        warnings.warn("Use description instead.", DeprecationWarning)
+        warnings.warn("Deprecated since version 0.8. Use description instead.", DeprecationWarning, stacklevel=2)
         return self.description