diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6c6cd71..b88da0d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,16 +46,16 @@ endif()
 
 if(WITH_ARITH_ENC)
   set(C_ARITH_CODING_SUPPORTED 1)
-  message(STATUS "Arithmetic encoding enabled")
+  message(STATUS "Arithmetic encoding support enabled")
 else()
-  message(STATUS "Arithmetic encoding disabled")
+  message(STATUS "Arithmetic encoding support disabled")
 endif()
 
 if(WITH_ARITH_DEC)
   set(D_ARITH_CODING_SUPPORTED 1)
-  message(STATUS "Arithmetic decoding enabled")
+  message(STATUS "Arithmetic decoding support enabled")
 else()
-  message(STATUS "Arithmetic decoding disabled")
+  message(STATUS "Arithmetic decoding support disabled")
 endif()
 
 set(JPEG_LIB_VERSION 62)
diff --git a/configure.ac b/configure.ac
index 7faf146f..aa16d837 100644
--- a/configure.ac
+++ b/configure.ac
@@ -207,7 +207,7 @@ AM_CONDITIONAL(ANON_VERSION_SCRIPT, test "x$ANON_VERSION_SCRIPT" = "xyes")
 AC_SUBST(VERSION_SCRIPT_FLAG)
 AC_SUBST(ANON_VERSION_SCRIPT_FLAG)
 
-AC_MSG_CHECKING([whether to use arithmetic encoding])
+AC_MSG_CHECKING([whether to include arithmetic encoding support])
 AC_ARG_WITH([arith-enc],
     AC_HELP_STRING([--without-arith-enc], [Omit arithmetic encoding support]))
 if test "x$with_arith_enc" = "xno"; then
@@ -218,7 +218,7 @@ else
 fi
 AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
 
-AC_MSG_CHECKING([whether to use arithmetic decoding])
+AC_MSG_CHECKING([whether to include arithmetic decoding support])
 AC_ARG_WITH([arith-dec],
     AC_HELP_STRING([--without-arith-dec], [Omit arithmetic decoding support]))
 if test "x$with_arith_dec" = "xno"; then