diff --git a/src/common/autoconfig.h.in b/src/common/autoconfig.h.in
index 545d914c..e6ced0ff 100644
--- a/src/common/autoconfig.h.in
+++ b/src/common/autoconfig.h.in
@@ -99,7 +99,8 @@
 /* Use multiple threads for indexing */
 #undef IDX_THREADS
 
-/* Define to the sub-directory where libtool stores uninstalled libraries. */
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
 #undef LT_OBJDIR
 
 /* Define to the address where bug reports for this package should be sent. */