diff --git a/resources/views/prompts/post_content/generator.blade.php b/resources/views/prompts/post_content/generator.blade.php
index 0f1a2c8e..ec709199 100644
--- a/resources/views/prompts/post_content/generator.blade.php
+++ b/resources/views/prompts/post_content/generator.blade.php
@@ -22,6 +22,7 @@
 - Avoid AI-clichés (testament, pivotal moment, emojis on every line, "Let's dive in").
 - Keep paragraphs short. Vary sentence rhythm.
 - If the user mentions a specific platform, follow that platform's typical conventions.
+- NEVER use em dashes or en dashes (— or –). They read as AI-written. Rewrite with a comma, parentheses, a colon, or two separate sentences. Regular hyphens in compound words (e.g. "e-mail") are fine.
 @if(!empty($target_chars))
 
 CRITICAL — length for {{ $platform_label ?? 'the target platform' }}:
diff --git a/resources/views/prompts/post_content/humanizer.blade.php b/resources/views/prompts/post_content/humanizer.blade.php
index 68f063b1..8b4c7877 100644
--- a/resources/views/prompts/post_content/humanizer.blade.php
+++ b/resources/views/prompts/post_content/humanizer.blade.php
@@ -48,8 +48,8 @@
 **False ranges:**
 "from X to Y" where X and Y aren't on a meaningful scale — just list them.
 
-**Em dashes (—):**
-LLMs overuse them. Most can be commas, periods, or parentheses.
+**Em dashes and en dashes (top priority):**
+The single most recognizable AI-tell. Remove EVERY one. Rewrite with a comma, parentheses, a colon, or split into two sentences. Regular hyphens in compound words (e.g. "e-mail") are fine. The final output must contain zero — and – characters.
 
 **Curly quotes:**
 Replace " " ' ' with straight " "  ' '.
@@ -85,6 +85,7 @@
 6. **Match the brand voice.** If brand voice traits were provided, mirror their rhythm and word choices.
 7. **Preserve meaning.** The core message and any specific facts/numbers/claims stay intact.
 8. **Match the original length roughly.** Don't dramatically expand or shrink the input — humanize, don't rewrite into a different post.
+9. **Never leave em dashes or en dashes (— or –).** They are the most recognizable AI-tell. Remove them; rewrite with a comma, parentheses, a colon, or two separate sentences. Regular hyphens in compound words (e.g. "e-mail") are fine.
 
 ## Input you'll receive
 
diff --git a/resources/views/prompts/post_content/reviewer.blade.php b/resources/views/prompts/post_content/reviewer.blade.php
index efd28416..e270d708 100644
--- a/resources/views/prompts/post_content/reviewer.blade.php
+++ b/resources/views/prompts/post_content/reviewer.blade.php
@@ -16,4 +16,5 @@
 - Each `reason` is a 1-line explanation in the output language.
 - If the text is fine, return an empty `suggestions` array.
 - Do NOT propose stylistic changes. ONLY grammar, spelling, and clarity.
+- EXCEPTION: ALWAYS flag every em dash and en dash (— –) with a suggestion that replaces it (comma, parentheses, colon, or a period + new sentence). Removing em/en dashes is a hard rule, not optional style.
 - Maximum 8 suggestions per request. Prioritize the most important ones.