Fix minor casing issue + update seconv help

Author: niksedk

src/seconv/Core/BinaryOcrOcrEngine.cs

@@ -5,7 +5,7 @@ namespace SeConv.Core;
 
 /// <summary>
 /// In-process OCR via Subtitle Edit's BinaryOCR matcher. Requires a <c>.db</c>
-/// database file (typically shipped with SE under <c>%AppData%\Subtitle Edit\Ocr\</c>;
+/// database file (typically shipped with SE under <c>%AppData%\Subtitle Edit\OCR\</c>;
 /// pass the path via <c>--ocrdb</c>). BinaryOCR uses fast bitmap-hash matching and
 /// is a useful alternative to nOCR — different accuracy profile, similar speed.
 /// </summary>
@@ -24,7 +24,7 @@ public BinaryOcrOcrEngine(string dbPath)
         {
             throw new FileNotFoundException(
                 $"BinaryOCR database not found: {dbPath}. Use --ocrdb to point to a .db file " +
-                "(typically %AppData%\\Subtitle Edit\\Ocr\\Latin.db or similar).", dbPath);
+                "(typically %AppData%\\Subtitle Edit\\OCR\\Latin.db or similar).", dbPath);
         }
         _db = new BinaryOcrDb(dbPath, loadCompareImages: true);
         if (_db.AllCompareImages.Count == 0)

src/seconv/Core/ListHelpers.cs

@@ -88,11 +88,11 @@ public static void PrintOcrEngines()
         table.AddRow(
             "[green]nocr[/]",
             "in-process",
-            "Pass --ocrdb=<path-to-Latin.nocr> (find under %AppData%\\\\Subtitle Edit\\\\Ocr\\\\)");
+            "Pass --ocrdb=<path-to-Latin.nocr> (find under %AppData%\\\\Subtitle Edit\\\\OCR\\\\)");
         table.AddRow(
             "[green]binaryocr[/]",
             "in-process",
-            "Pass --ocrdb=<path-to-Latin.db> (find under %AppData%\\\\Subtitle Edit\\\\Ocr\\\\)");
+            "Pass --ocrdb=<path-to-Latin.db> (find under %AppData%\\\\Subtitle Edit\\\\OCR\\\\)");
         table.AddRow(
             "[green]ollama[/]",
             "HTTP",

src/seconv/Core/NOcrOcrEngine.cs

@@ -5,7 +5,7 @@ namespace SeConv.Core;
 
 /// <summary>
 /// In-process OCR via Subtitle Edit's nOCR matcher. Requires a <c>.nocr</c> database file
-/// (typically shipped with SE under <c>%AppData%\Subtitle Edit\Ocr\</c>; pass the path
+/// (typically shipped with SE under <c>%AppData%\Subtitle Edit\OCR\</c>; pass the path
 /// via <c>--ocrdb</c>).
 /// </summary>
 internal sealed class NOcrOcrEngine : IOcrEngine
@@ -22,7 +22,7 @@ public NOcrOcrEngine(string nOcrDbPath)
         {
             throw new FileNotFoundException(
                 $"nOCR database not found: {nOcrDbPath}. Use --ocrdb to point to a .nocr file " +
-                "(typically %AppData%\\Subtitle Edit\\Ocr\\Latin.nocr or similar).", nOcrDbPath);
+                "(typically %AppData%\\Subtitle Edit\\OCR\\Latin.nocr or similar).", nOcrDbPath);
         }
         _db = new NOcrDb(nOcrDbPath);
         if (_db.TotalCharacterCount == 0)

src/seconv/Core/OcrEngineFactory.cs

@@ -29,7 +29,7 @@ private static string ResolveOcrDbPath(ConversionOptions options, string engineN
             var displayExt = requiredExtension.TrimStart('.');
             throw new InvalidOperationException(
                 $"{engineName} engine requires --ocrdb=<path-to-Latin{requiredExtension}> (or another {requiredExtension} file). " +
-                $"Find them in `%AppData%\\Subtitle Edit\\Ocr\\` or download from the SE UI.");
+                $"Find them in `%AppData%\\Subtitle Edit\\OCR\\` or download from the SE UI.");
         }
         var path = options.OcrDb;
         if (!path.EndsWith(requiredExtension, StringComparison.OrdinalIgnoreCase))

src/seconv/README.md

@@ -103,10 +103,18 @@ seconv --help                 # show help
 |---|---|
 | `--ocrengine:<engine>` | `tesseract` (default) \| `nocr` \| `binaryocr` \| `ollama` \| `paddle` |
 | `--ocrlanguage:<lang>` | Tesseract: ISO 639-2 (`eng`, `deu`); Paddle: short (`en`); Ollama: human (`English`) |
-| `--ocrdb:<path.nocr>` | nOCR database file (required for `--ocrengine=nocr`) |
+| `--ocrdb:<path>` | OCR database file: `.nocr` for `nocr`, `.db` for `binaryocr` (required for both) |
 | `--ollama-url:<url>` | Default `http://localhost:11434/api/chat` |
 | `--ollama-model:<model>` | Default `llama3.2-vision` |
 
+> **OCR database files are not bundled with `seconv`.** The `nocr` and `binaryocr` engines
+> need a `.nocr` or `.db` file passed via `--ocrdb`. Sources:
+> - If you have the desktop UI installed: `%AppData%\Subtitle Edit\OCR\` (Windows) or
+>   `~/.config/Subtitle Edit/OCR/` (Linux/macOS).
+> - From the repo: [`Ocr/Latin.nocr`](https://github.com/SubtitleEdit/subtitleedit/raw/main/Ocr/Latin.nocr)
+>   and [`Ocr/Latin.db`](https://github.com/SubtitleEdit/subtitleedit/raw/main/Ocr/Latin.db).
+> - Other languages: download from the SE UI (Tools → "OCR with nOCR" / BinaryOCR → download).
+
 ### Templates / replacements
 | Option | Description |
 |---|---|