diff --git a/src/fdcache_entity.cpp b/src/fdcache_entity.cpp
index 9956049..5ed7039 100644
--- a/src/fdcache_entity.cpp
+++ b/src/fdcache_entity.cpp
@@ -2146,7 +2146,7 @@ bool FdEntity::PunchHole(off_t start, size_t size)
     // get page list that have no data
     fdpage_list_t   nodata_pages;
     if(!pagelist.GetNoDataPageLists(nodata_pages)){
-        S3FS_PRN_ERR("filed to get page list that have no data.");
+        S3FS_PRN_ERR("failed to get page list that have no data.");
         return false;
     }
     if(nodata_pages.empty()){
@@ -2158,9 +2158,9 @@ bool FdEntity::PunchHole(off_t start, size_t size)
     for(fdpage_list_t::const_iterator iter = nodata_pages.begin(); iter != nodata_pages.end(); ++iter){
         if(0 != fallocate(physical_fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, iter->offset, iter->bytes)){
             if(ENOSYS == errno || EOPNOTSUPP == errno){
-                S3FS_PRN_ERR("filed to fallocate for punching hole to file with errno(%d), it maybe the fallocate function is not implemented in this kernel, or the file system does not support FALLOC_FL_PUNCH_HOLE.", errno);
+                S3FS_PRN_ERR("failed to fallocate for punching hole to file with errno(%d), it maybe the fallocate function is not implemented in this kernel, or the file system does not support FALLOC_FL_PUNCH_HOLE.", errno);
             }else{
-                S3FS_PRN_ERR("filed to fallocate for punching hole to file with errno(%d)", errno);
+                S3FS_PRN_ERR("failed to fallocate for punching hole to file with errno(%d)", errno);
             }
             return false;
         }
diff --git a/src/s3fs_help.cpp b/src/s3fs_help.cpp
index d057ba8..923a8c8 100644
--- a/src/s3fs_help.cpp
+++ b/src/s3fs_help.cpp
@@ -369,15 +369,15 @@ static const char help_string[] =
     "        invalidated even if this option is not specified.\n"
     "\n"
     "   nocopyapi (for other incomplete compatibility object storage)\n"
-    "        For a distributed object storage which is compatibility S3\n"
-    "        API without PUT (copy api).\n"
+    "        Enable compatibility with S3-like APIs which do not support\n"
+    "        PUT (copy api).\n"
     "        If you set this option, s3fs do not use PUT with \n"
     "        \"x-amz-copy-source\" (copy api). Because traffic is increased\n"
     "        2-3 times by this option, we do not recommend this.\n"
     "\n"
     "   norenameapi (for other incomplete compatibility object storage)\n"
-    "        For a distributed object storage which is compatibility S3\n"
-    "        API without PUT (copy api).\n"
+    "        Enable compatibility with S3-like APIs which do not support\n"
+    "        PUT (copy api).\n"
     "        This option is a subset of nocopyapi option. The nocopyapi\n"
     "        option does not use copy-api for all command (ex. chmod, chown,\n"
     "        touch, mv, etc), but this option does not use copy-api for\n"