docs: update for simplified MIME detection (v1.5.1)

documentation/api.md

@@ -707,17 +707,16 @@ export FLASKPASTE_MIN_ENTROPY_SIZE=256 # Only check content >= this size (defaul
 - Plaintext (valid UTF-8) is rejected with 400
 - Only binary content (invalid UTF-8) is allowed
 
-
+**Configuration:**
 ```bash
 export FLASKPASTE_REQUIRE_BINARY=1  # Reject plaintext (0=disabled)
-export FLASKPASTE_REQUIRE_BINARY=1  # Reject recognizable formats (0=disabled)
 ```
-
-**Response (400 Bad Request):**
+
+**Response (400 Bad Request):**
 ```json
 {
   "error": "Recognizable format not allowed",
-  "detected": "text/plain",
+  "detected": "text/plain",
   "hint": "Encrypt content before uploading (fpaste encrypts by default)"
 }
 ```
@@ -729,16 +728,11 @@ export FLASKPASTE_REQUIRE_BINARY=1  # Reject recognizable formats (0=disabled)
 | Binary | Valid UTF-8 text | Reject plaintext |
 
 Use both together for maximum encryption enforcement:
-|--------|---------|-----------------|
-| Entropy | Random-looking data | Compressed files pass |
-| Binary | No magic bytes + invalid UTF-8 | Minimal |
-
-Use both together for maximum encryption enforcement:
 ```bash
-export FLASKPASTE_REQUIRE_BINARY=1
-export FLASKPASTE_MIN_ENTROPY=6.0
-export FLASKPASTE_MIN_SIZE=64
-```
+export FLASKPASTE_REQUIRE_BINARY=1
+export FLASKPASTE_MIN_ENTROPY=6.0
+export FLASKPASTE_MIN_SIZE=64
+```
 
 ---