improve error message wording

Co-authored by: Darren Burns <darrenburns@users.noreply.github.com>
Textualize · Jul 18, 2024 · 04ac1ca · 04ac1ca
1 parent a7ddde8
commit 04ac1ca
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/textual/widgets/_tree.py b/src/textual/widgets/_tree.py
@@ -364,7 +364,7 @@ def add(
                     insert_index = self.children.index(before)
                 except ValueError:
                     raise AddNodeError(
-                        "Request to add before an unknown node that is not a child of this node"
+                        "The node specified for `before` is not a child of this node"
                     )
             else:
                 raise TypeError(
@@ -381,7 +381,7 @@ def add(
                     insert_index = self.children.index(after) + 1
                 except ValueError:
                     raise AddNodeError(
-                        "Request to add after an unknown node that is not a child of this node"
+                        "The node specified for `after` is not a child of this node"
                     )
             else:
                 raise TypeError(