diff --git a/6_write_txt/write_txt.c b/6_write_txt/write_txt.c
index b6a133d..63c5b0a 100644
--- a/6_write_txt/write_txt.c
+++ b/6_write_txt/write_txt.c
@@ -17,7 +17,7 @@ int ReadFirstLine( void );
 int ReadLastLine( void );
 void WriteLine( char *pszLine );
 
-// Preprocessor defines
+// Preprocessor defines for ease in understanding
 #define BUFFER_SIZE  1024
 #define NEW_LINE       "\n"
 #define DATA_FILE       "data.txt"
@@ -120,4 +120,4 @@ int ReadLastLine()
 
    fclose( pDataFile );
    return 1;
-}
\ No newline at end of file
+}