Fix openjpeg text

We've prefered openjpeg2 over 1 for a while
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb663a1..15e0122 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@
 option(ENABLE_SPLASH "Build the Splash graphics backend." ON)
 option(ENABLE_UTILS "Compile poppler command line utils." ON)
 option(ENABLE_CPP "Compile poppler cpp wrapper." ON)
-set(ENABLE_LIBOPENJPEG "auto" CACHE STRING "Use libopenjpeg for JPX streams. Possible values: auto, openjpeg1, openjpeg2. 'auto' prefers openjpeg1 over openjpeg2 if both are available. Unset to not use openjpeg.")
+set(ENABLE_LIBOPENJPEG "auto" CACHE STRING "Use libopenjpeg for JPX streams. Possible values: auto, openjpeg1, openjpeg2. 'auto' prefers openjpeg2 over openjpeg1 if both are available. Unset to not use openjpeg.")
 set(ENABLE_CMS "auto" CACHE STRING "Use color management system. Possible values: auto, lcms1, lcms2. 'auto' prefers lcms2 over lcms1 if both are available. Unset to disable color management system.")
 set(ENABLE_DCTDECODER "libjpeg" CACHE STRING "Use libjpeg for DCT streams. Possible values: libjpeg, unmaintained, none. will use libjpeg if available or fail if not. 'unmaintained' gives you the internal unmaintained decoder. Use at your own risk. 'none' compiles no DCT decoder at all. Default: libjpeg")
 option(ENABLE_LIBCURL "Build libcurl based HTTP support." OFF)
diff --git a/configure.ac b/configure.ac
index 6f8eef9..899c45d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -202,7 +202,7 @@
 openjpeg2="no"
 AC_ARG_ENABLE(libopenjpeg,
 	      AC_HELP_STRING([--enable-libopenjpeg=@<:@auto/openjpeg1/openjpeg2/none@:>@],
-                             [Use openjpeg for JPEG2000 images. 'auto' prefers openjpeg1 over openjpeg2 if both are available due to regressions in openjpeg2 [[default=auto]]]),
+                             [Use openjpeg for JPEG2000 images. 'auto' prefers openjpeg2 over openjpeg1 if both are available [[default=auto]]]),
               [enable_libopenjpeg=$enableval],
               [enable_libopenjpeg="auto"])