fix my grammar error in last change

diff --git a/src/comm.c b/src/comm.c
index a7edefbe723e553c474be1429268dfd1fee330ff..28e9655a2e1a1a74e00202ec3a71dbfe020e9196 100644 (file)
--- a/src/comm.c
+++ b/src/comm.c
@@ -108,7 +108,7 @@ writeline (const struct linebuffer *line, FILE *stream, int class)
     case 2:
       if (!only_file_2)
        return;
-      /* Print a TAB if we printing lines from file 1.  */
+      /* Print a TAB if we are printing lines from file 1.  */
       if (only_file_1)
        putc ('\t', stream);
       break;
@@ -116,10 +116,10 @@ writeline (const struct linebuffer *line, FILE *stream, int class)
     case 3:
       if (!both)
        return;
-      /* Print a TAB if we printing lines from file 1.  */
+      /* Print a TAB if we are printing lines from file 1.  */
       if (only_file_1)
        putc ('\t', stream);
-      /* Print a TAB if we printing lines from file 2.  */
+      /* Print a TAB if we are printing lines from file 2.  */
       if (only_file_2)
        putc ('\t', stream);
       break;