diff --git a/include/leveldb/env.h b/include/leveldb/env.h
index add51a5d..95f59108 100644
--- a/include/leveldb/env.h
+++ b/include/leveldb/env.h
@@ -83,9 +83,9 @@ class Env {
                                    WritableFile** result) = 0;
 
   // Riak specific:
-  // Derived from NewWritableFile.  Special version of 
-  // NewWritableFile that enables write and close operations
-  // to execute on background threads (where supported).
+  // Allows for virtualized version of NewWritableFile that enables write 
+  // and close operations to execute on background threads 
+  //  (where platform supported).
   //
   // The returned file will only be accessed by one thread at a time.
   virtual Status NewWriteOnlyFile(const std::string& fname,
diff --git a/util/env_posix.cc b/util/env_posix.cc
index 791272a6..59c9d063 100644
--- a/util/env_posix.cc
+++ b/util/env_posix.cc
@@ -1079,11 +1079,11 @@ void BGFileCloser(void * arg)
     if (0 != file_ptr->unused_)
     {
         ret_val=ftruncate(file_ptr->fd_, file_ptr->offset_ + file_ptr->length_ - file_ptr->unused_);
-	if (0!=ret_val)
-	{
-	    syslog(LOG_ERR,"BGFileCloser ftruncate failed [%d, %m]", errno);
-	    err_flag=true;
-	}  // if
+        if (0!=ret_val)	
+        {
+            syslog(LOG_ERR,"BGFileCloser ftruncate failed [%d, %m]", errno);
+            err_flag=true;
+        }  // if
     }
 
     close(file_ptr->fd_);
@@ -1122,38 +1122,38 @@ void BGFileCloser2(void * arg)
     {
         // must fdatasync for DONTNEED to work
         ret_val=fdatasync(file_ptr->fd_);
-	if (0!=ret_val)
-	{
-	    syslog(LOG_ERR,"BGFileCloser2 fdatasync failed [%d, %m]", errno);
-	    err_flag=true;
-	}  // if
+        if (0!=ret_val)
+        {
+            syslog(LOG_ERR,"BGFileCloser2 fdatasync failed [%d, %m]", errno);
+            err_flag=true;
+        }  // if
 
         ret_val=posix_fadvise(file_ptr->fd_, file_ptr->offset_, file_ptr->length_, POSIX_FADV_DONTNEED);
-	if (0!=ret_val)
-	{
-	    syslog(LOG_ERR,"BGFileCloser2 posix_fadvise DONTNEED failed [%d, %m]", errno);
-	    err_flag=true;
-	}  // if
+        if (0!=ret_val)
+        {
+            syslog(LOG_ERR,"BGFileCloser2 posix_fadvise DONTNEED failed [%d, %m]", errno);
+            err_flag=true;
+        }  // if
     }   // if
     else
     {
         ret_val=posix_fadvise(file_ptr->fd_, file_ptr->offset_, file_ptr->length_, POSIX_FADV_WILLNEED);
-	if (0!=ret_val)
-	{
-	    syslog(LOG_ERR,"BGFileCloser2 posix_fadvise WILLNEED failed [%d, %m]", errno);
-	    err_flag=true;
-	}  // if
+        if (0!=ret_val)
+        {
+            syslog(LOG_ERR,"BGFileCloser2 posix_fadvise WILLNEED failed [%d, %m]", errno);
+            err_flag=true;
+        }  // if
     }   // else
 #endif
 
     if (0 != file_ptr->unused_)
     {
         ret_val=ftruncate(file_ptr->fd_, file_ptr->offset_ + file_ptr->length_ - file_ptr->unused_);
-	if (0!=ret_val)
-	{
-	    syslog(LOG_ERR,"BGFileCloser2 ftruncate failed [%d, %m]", errno);
-	    err_flag=true;
-	}  // if
+        if (0!=ret_val)
+        {
+            syslog(LOG_ERR,"BGFileCloser2 ftruncate failed [%d, %m]", errno);
+            err_flag=true;
+        }  // if
     }
     close(file_ptr->fd_);
     delete file_ptr;
diff --git a/util/perf_count.cc b/util/perf_count.cc
index 2aa86c15..7aee5d99 100644
--- a/util/perf_count.cc
+++ b/util/perf_count.cc
@@ -515,7 +515,7 @@ PerformanceCounters * gPerfCounters(&LocalStartupCounters);
         "ThrottleKeys1",
         "ThrottleBacklog1",
         "ThrottleCompacts1",
-	"BGWriteError"
+        "BGWriteError"
     };