diff --git a/tools/build.sh b/tools/build.sh
index 74374ddd654c417776b90334c34eb0bebb39abf4..392637e3c2ce64305beae0925ba62ae842e6be58 100755
--- a/tools/build.sh
+++ b/tools/build.sh
@@ -94,7 +94,7 @@ usage ()
     echo '               the translations.'
     echo "    -?        This help message"
     echo "    -w        Specify a different build-world.sh script"
-    echo "    -U        If translations are done, overwrite the CVS files with the"
+    echo "    -U        If translations are done, overwrite the files with the"
     echo "               translations instead of computing and displaying the diffs."
     echo "    -O opt    Any additional command-line flags to use when building."
     echo "               The flags always include -noinit -nositeinit"