fixed a few typos in comments

diff --git a/bam2depth.c b/bam2depth.c
index e1d19077503b25cfb0266ee7c71cbde93ab174c1..312e264cf62276e353607b9c0324abfa98033bbe 100644 (file)
--- a/bam2depth.c
+++ b/bam2depth.c
@@ -2,7 +2,7 @@
  * simutaneously, to achieve random access and to use the BED interface.
  * To compile this program separately, you may:
  *
- *   gcc -g -O2 -Wall -D_MAIN_BAM2BED bam2depth.c -L. -lbam -lz
+ *   gcc -g -O2 -Wall -D_MAIN_BAM2DEPTH bam2depth.c -L. -lbam -lz
  */
 #include <stdlib.h>
 #include <string.h>
@@ -26,7 +26,7 @@ static int read_bam(void *data, bam1_t *b)
        return aux->iter? bam_iter_read(aux->fp, aux->iter, b) : bam_read1(aux->fp, b);
 }
 
-#ifdef _MAIN_BAM2BED
+#ifdef _MAIN_BAM2DEPTH
 int main(int argc, char *argv[])
 #else
 int main_depth(int argc, char *argv[])
@@ -83,7 +83,7 @@ int main_depth(int argc, char *argv[])
                for (i = 0; i < n; ++i) {
                        int j, m = 0;
                        const bam_pileup1_t *p = plp[i];
-                       for (j = 0; j < n_plp[i]; ++j) // this loop counts #reads having deletions of refskip at tid:pos
+                       for (j = 0; j < n_plp[i]; ++j) // this loop counts #reads having deletions or refskip at tid:pos
                                if (p->is_del || p->is_refskip) ++m;
                        printf("\t%d", n_plp[i] - m);
                }