diff --git a/spacy/errors.py b/spacy/errors.py
index fe5b919c2..526c4d0d6 100644
--- a/spacy/errors.py
+++ b/spacy/errors.py
@@ -826,6 +826,7 @@ class Errors(metaclass=ErrorsWithCodes):
             "assign it a name, e.g. `@Language.component('your_name')`. You can "
             "then run `nlp.replace_pipe('{name}', 'your_name')`.")
     E969 = ("Expected string values for field '{field}', but received {types} instead. ")
+    E970 = ("Can not execute command '{str_command}'. Do you have '{tool}' installed?")
     E971 = ("Found incompatible lengths in `Doc.from_array`: {array_length} for the "
             "array and {doc_length} for the Doc itself.")
     E972 = ("`Example.__init__` got None for '{arg}'. Requires Doc.")