diff --git a/mapytex/calculus/core/compute/__init__.py b/mapytex/calculus/core/compute/__init__.py
index 1b7f10d..fbd97b2 100644
--- a/mapytex/calculus/core/compute/__init__.py
+++ b/mapytex/calculus/core/compute/__init__.py
@@ -50,12 +50,12 @@ def compute(node, left_v, right_v):
     >>> compute("~", MOnumber(1), MOnumber(2))
     Traceback (most recent call last):
         ...
-    mapytex.calculus.core.compute.exceptions.ComputeError: Unknown operation (~)
+    mapytex.calculus.core.compute.exceptions.ComputeError: Unknown operation (~) in compute
     """
     try:
         operation = OPERATIONS[node]
     except KeyError:
-        raise ComputeError(f"Unknown operation ({node})")
+        raise ComputeError(f"Unknown operation ({node}) in compute")
 
     return operation(left_v, right_v)
 
diff --git a/mapytex/calculus/core/typing/__init__.py b/mapytex/calculus/core/typing/__init__.py
index 20276d0..648c543 100644
--- a/mapytex/calculus/core/typing/__init__.py
+++ b/mapytex/calculus/core/typing/__init__.py
@@ -45,7 +45,7 @@ def typing(node, left_v, right_v):
     try:
         operation = OPERATIONS[node]
     except KeyError:
-        raise TypingError(f"Unknown operation ({node})")
+        raise TypingError(f"Unknown operation ({node}) in typing")
     return operation(left_v, right_v)
 
 def typing_capacities(node):