diff --git a/README.md b/README.md
index 653ea7d..5fa6b5d 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,13 @@ Kie.ai uses a credit-based model for requests. There is no subscription requirem
 ## Debugging and job visibility
 You can review request history and results at https://kie.ai/logs. Some models can take longer to finish; the default timeout has been increased to reduce false failures.
 
+## Sponsorship / Development
+
+This project is developed and maintained with support from **Dreaming Computers**  
+https://dreamingcomputers.com
+
+Dreaming Computers is an independent studio exploring AI, creative tooling, and automation-driven workflows. The nodes in this pack are built from practical use cases and ongoing experimentation, and are shared with the community as they evolve.
+
 ## Disclaimer
 This software is provided as-is. You are responsible for managing your own API usage and credits.
 
diff --git a/kie_api/prompt_lists.py b/kie_api/prompt_lists.py
index a388b8d..18fcc10 100644
--- a/kie_api/prompt_lists.py
+++ b/kie_api/prompt_lists.py
@@ -18,11 +18,11 @@ def _extract_prompt_index(key: Any) -> int | None:
     key_norm = str(key).strip().lower()
     if not key_norm:
         return None
-    prompt_match = re.match(r"^(?:p|prompt)[\\s_\\-]*([1-9]\\d*)$", key_norm)
+    prompt_match = re.match(r"^(?:p|prompt)[\s_\-]*([1-9]\d*)$", key_norm)
     if prompt_match:
         match = prompt_match
     else:
-        match = re.match(r"^([1-9]\\d*)$", key_norm)
+        match = re.match(r"^([1-9]\d*)$", key_norm)
     if not match:
         return None
     try: