diff --git a/src/library.cpp b/src/library.cpp
index 29e00d211d..be407c8bbc 100644
--- a/src/library.cpp
+++ b/src/library.cpp
@@ -159,9 +159,10 @@ void *lammps_extract_global(void *ptr, char *name)
   if (strcmp(name,"ntimestep") == 0) return (void *) &lmp->update->ntimestep;
 
   // NOTE: we cannot give access to the thermo "time" data by reference,
-  // as that is a recomputed property. only "atime" can be provided as pointer.
+  // as that is a recomputed property.  Only "atime" can be provided as pointer.
   // please use lammps_get_thermo() defined below to access all supported
-  // thermo keywords by value
+  // thermo keywords by value.
+
   if (strcmp(name,"atime") == 0) return (void *) &lmp->update->atime;
 
   return NULL;