diff --git a/README.rst b/README.rst
index 2f7a00d..a7fb2ef 100644
--- a/README.rst
+++ b/README.rst
@@ -113,10 +113,10 @@ The following operations can be run from the command line using the
         - create new harvest source
 
       harvester rmsource {id}
-        - remove (inactivate) a harvester source
+        - remove (deactivate) a harvester source, whilst leaving any related datasets, jobs and objects
 
       harvester clearsource {id}
-        - clear a harvester source (delete all associtated datasets)
+        - clears all datasets, jobs and objects related to a harvest source, but keeps the source itself
 
       harvester sources [all]
         - lists harvest sources
diff --git a/ckanext/harvest/commands/harvester.py b/ckanext/harvest/commands/harvester.py
index 6499eda..06a7cf0 100644
--- a/ckanext/harvest/commands/harvester.py
+++ b/ckanext/harvest/commands/harvester.py
@@ -18,10 +18,10 @@ class Harvester(CkanCommand):
         - create new harvest source
 
       harvester rmsource {id}
-        - remove (inactivate) a harvester source
+        - remove (deactivate) a harvester source, whilst leaving any related datasets, jobs and objects
 
       harvester clearsource {id}
-        - clear a harvester source (delete all associtated datasets)
+        - clears all datasets, jobs and objects related to a harvest source, but keeps the source itself
 
       harvester sources [all]
         - lists harvest sources