diff --git a/INSTALL.in b/INSTALL.in
index 4c550fdcaf..eef6d805fd 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -289,29 +289,29 @@ help in that regard:
 
  23. Summary of optional packages:
 
-     Package Name        Version                            Feature
+     Package Name        Version        Feature
 
-     bash-completion     -                                  Bash Completion script
-     bison               -                                  Image Map plug-in
-     cairo-pdf           @CAIRO_PDF_REQUIRED_VERSION@       PDF export
-     cfitsio             -                                  FITS
-     iso-codes           -                                  Language selection
-     ExcHndl             -                                  Crash logs on Windows with Dr. MinGW
-     flex                -                                  Image Map plug-in
-     gs                  -                                  ghostscript
-     libaa               -                                  ASCII art
+     bash-completion     -              Bash Completion script
+     bison               -              Image Map plug-in
+     cairo-pdf           @CAIRO_PDF_REQUIRED_VERSION@         PDF export
+     cfitsio             -              FITS
+     iso-codes           -              Language selection
+     ExcHndl             -              Crash logs on Windows with Dr. MinGW
+     flex                -              Image Map plug-in
+     gs                  -              ghostscript
+     libaa               -              ASCII art
      libheif             @LIBHEIF_REQUIRED_VERSION@         HEIF (HEIC, AVIF)
-     libilbm             -                                  Amiga IFF/ILBM
+     libilbm             -              Amiga IFF/ILBM
      libjxl              @LIBJXL_REQUIRED_VERSION@          JPEG XL
-     libmng              -                                  MNG
-     libwebp             @WEBP_REQUIRED_VERSION@            WebP (built with --enable-libwebpmux and --enable-libwebpdemux)
-     libwmf              @WMF_REQUIRED_VERSION@             WMF
-     libXcursor          -                                  X11 Mouse Cursor
-     libxpm              -                                  XPM
-     openexr             @OPENEXR_REQUIRED_VERSION@         OpenEXR
-     OpenJPEG            @OPENJPEG_REQUIRED_VERSION@        JPEG 2000
-     qoi                 -                                  QOI
-     vala                -                                  Vala plug-ins
+     libmng              -              MNG
+     libwebp             @WEBP_REQUIRED_VERSION@          WebP (built with --enable-libwebpmux and --enable-libwebpdemux)
+     libwmf              @WMF_REQUIRED_VERSION@          WMF
+     libXcursor          -              X11 Mouse Cursor
+     libxpm              -              XPM
+     openexr             @OPENEXR_REQUIRED_VERSION@          OpenEXR
+     OpenJPEG            @OPENJPEG_REQUIRED_VERSION@          JPEG 2000
+     qoi                 -              QOI
+     vala                -              Vala plug-ins
 
  24. Summary of optional runtime dependencies: