diff --git a/install.bat b/install.bat
index 56fa224..1c522d5 100644
--- a/install.bat
+++ b/install.bat
@@ -64,14 +64,15 @@ echo.
 :: (no elevation) then fails silently and conda never installs. --scope user
 :: installs to %USERPROFILE%\miniforge3 with no admin needed — which is also one
 :: of the locations :rescan_conda searches.
+:: winget returns non-zero when the package is already installed, so don't
+:: trust the exit code -- rescan for conda and only fall through to the direct
+:: download if it's genuinely still missing. Keep this comment outside the block:
+:: a "::" line inside a ( ) block is a parse error.
 winget --version >nul 2>&1
 if %errorlevel% equ 0 (
     echo Installing via winget...
     winget install --id CondaForge.Miniforge3 --exact --silent --scope user ^
         --accept-package-agreements --accept-source-agreements
-    :: winget returns non-zero when the package is already installed, so don't
-    :: trust the exit code — rescan for conda and only fall through to the
-    :: direct download if it's genuinely still missing.
     for %%C in (
         "%LOCALAPPDATA%\miniforge3\Scripts\conda.exe"
         "%USERPROFILE%\miniforge3\Scripts\conda.exe"
@@ -326,12 +327,16 @@ if %errorlevel% neq 0 (
     echo   WARNING: Could not install pytesseract Python wrapper.
 )
 
+:: Try winget machine scope, then user scope -- the latter needs no admin.
+:: winget's exit code is unreliable, being non-zero when the package is already
+:: installed, so after each attempt we re-resolve tesseract.exe instead of
+:: trusting errorlevel.
+:: NOTE: comments must stay OUTSIDE the parenthesised blocks below. A "::" line
+:: inside a ( ) block is a parse error, and any parenthesis in the comment text
+:: closes the block early.
 call :find_tesseract
 if not defined TESS_EXE (
     echo   Installing Tesseract OCR...
-    :: Try winget machine scope, then user scope (no admin needed). winget's
-    :: exit code is unreliable (non-zero when already installed), so after each
-    :: attempt we re-resolve tesseract.exe rather than trusting errorlevel.
     winget --version >nul 2>&1
     if !errorlevel! equ 0 (
         winget install --id tesseract-ocr.tesseract --exact --silent ^
@@ -347,6 +352,9 @@ if not defined TESS_EXE (
 
 :: Last resort: direct download of the official NSIS installer and a per-user
 :: install. Covers clean Win10 machines with no winget and no admin rights.
+:: The size check guards against a truncated download or an HTML error page;
+:: the installer is ~50 MB. NSIS /D= must come last and unquoted, and breaks on
+:: paths containing spaces, so it is only used when the target path has none.
 if not defined TESS_EXE (
     echo   winget unavailable or failed -- downloading Tesseract directly...
     set "TS_INSTALLER=%TEMP%\tesseract-setup.exe"
@@ -358,12 +366,9 @@ if not defined TESS_EXE (
         powershell -NoProfile -ExecutionPolicy Bypass -Command ^
           "$ProgressPreference='SilentlyContinue'; try { Invoke-WebRequest -Uri '!TS_URL!' -OutFile '!TS_INSTALLER!' -UseBasicParsing; exit 0 } catch { exit 1 }"
     )
-    :: Sanity-check the size (installer is ~50 MB) before executing it.
     set "TS_SIZE=0"
     if exist "!TS_INSTALLER!" for %%A in ("!TS_INSTALLER!") do set "TS_SIZE=%%~zA"
     if !TS_SIZE! GEQ 20971520 (
-        :: NSIS /D= must be last and unquoted, and breaks on paths containing
-        :: spaces -- so only use it when the target path has none.
         echo !TS_DEST! | find " " >nul
         if !errorlevel! equ 0 (
             start /wait "" "!TS_INSTALLER!" /S