diff --git a/rdmo/projects/managers.py b/rdmo/projects/managers.py
index 62b6600ea..2bc6c7384 100644
--- a/rdmo/projects/managers.py
+++ b/rdmo/projects/managers.py
@@ -163,14 +163,14 @@ def filter_set(self, set_value):
             if element.attribute == set_value.attribute:
                 attributes.update([descendant.attribute for descendant in element.descendants])
 
-        # construct the set_prefix for decendants for this set
-        decendants_set_prefix = \
+        # construct the set_prefix for descendants for this set
+        descendants_set_prefix = \
             f'{set_value.set_prefix}|{set_value.set_index}' if set_value.set_prefix else str(set_value.set_index)
 
-        # collect all values for this set and all decendants
+        # collect all values for this set and all descendants
         return self.filter(attribute__in=attributes).filter(
             Q(set_prefix=set_value.set_prefix, set_index=set_value.set_index) |
-            Q(set_prefix__startswith=decendants_set_prefix)
+            Q(set_prefix__startswith=descendants_set_prefix)
         )