diff --git a/src/complementBed/complementMain.cpp b/src/complementBed/complementMain.cpp
index 4087ce0dfea9cc83ff4efff2ade22318c30e44ec..148df631466d17bd35fca93e185ca94a1e6cf33e 100644
--- a/src/complementBed/complementMain.cpp
+++ b/src/complementBed/complementMain.cpp
@@ -108,7 +108,7 @@ void ShowHelp(void) {
     cerr << "Tips: " << endl;
     cerr << "\tOne can use the UCSC Genome Browser's MySQL database to extract" << endl;
     cerr << "\tchromosome sizes. For example, H. sapiens:" << endl << endl;
-    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e /" << endl;
+    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e \" << endl;
     cerr << "\t\"select chrom, size from hg19.chromInfo\"  > hg19.genome" << endl << endl;
 
     exit(1);
diff --git a/src/flankBed/flankBedMain.cpp b/src/flankBed/flankBedMain.cpp
index 3a6eb63ba360d261bad51b7146f4ad421a1acc9c..f79c5b21df19973c769005a065ad2ad8f2aac357 100644
--- a/src/flankBed/flankBedMain.cpp
+++ b/src/flankBed/flankBedMain.cpp
@@ -181,7 +181,7 @@ void ShowHelp(void) {
     cerr << "Tips: " << endl;
     cerr << "\tOne can use the UCSC Genome Browser's MySQL database to extract" << endl;
     cerr << "\tchromosome sizes. For example, H. sapiens:" << endl << endl;
-    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e /" << endl;
+    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e \" << endl;
     cerr << "\t\"select chrom, size from hg19.chromInfo\"  > hg19.genome" << endl << endl;
 
 
diff --git a/src/genomeCoverageBed/genomeCoverageMain.cpp b/src/genomeCoverageBed/genomeCoverageMain.cpp
index 4670caa34052e75e1867d3c3d6dddc633f0548f4..d3f275b4dfb6ef6869c7fe1f6da332575ee04810 100644
--- a/src/genomeCoverageBed/genomeCoverageMain.cpp
+++ b/src/genomeCoverageBed/genomeCoverageMain.cpp
@@ -283,7 +283,7 @@ void ShowHelp(void) {
     cerr << "Tips: " << endl;
     cerr << "\tOne can use the UCSC Genome Browser's MySQL database to extract" << endl;
     cerr << "\tchromosome sizes. For example, H. sapiens:" << endl << endl;
-    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e /" << endl;
+    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e \" << endl;
     cerr << "\t\"select chrom, size from hg19.chromInfo\" > hg19.genome" << endl << endl;
 
 
diff --git a/src/shuffleBed/shuffleBedMain.cpp b/src/shuffleBed/shuffleBedMain.cpp
index 87c84ad8a1066943a5642a3ce819549f8c07adb5..af79013610b0e0daa14abcbe565051b4cd49b550 100644
--- a/src/shuffleBed/shuffleBedMain.cpp
+++ b/src/shuffleBed/shuffleBedMain.cpp
@@ -179,7 +179,7 @@ void ShowHelp(void) {
     cerr << "Tips: " << endl;
     cerr << "\tOne can use the UCSC Genome Browser's MySQL database to extract" << endl;
     cerr << "\tchromosome sizes. For example, H. sapiens:" << endl << endl;
-    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e /" << endl;
+    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e \" << endl;
     cerr << "\t\"select chrom, size from hg19.chromInfo\"  > hg19.genome" << endl << endl;
 
 
diff --git a/src/slopBed/slopBedMain.cpp b/src/slopBed/slopBedMain.cpp
index 149cc37788c8e932b7a245d59f10c51fa37d556d..4e0a5ecde12a9a1b2ea395c057c15fd7baf9e642 100644
--- a/src/slopBed/slopBedMain.cpp
+++ b/src/slopBed/slopBedMain.cpp
@@ -181,7 +181,7 @@ void ShowHelp(void) {
     cerr << "Tips: " << endl;
     cerr << "\tOne can use the UCSC Genome Browser's MySQL database to extract" << endl;
     cerr << "\tchromosome sizes. For example, H. sapiens:" << endl << endl;
-    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e /" << endl;
+    cerr << "\tmysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -e \" << endl;
     cerr << "\t\"select chrom, size from hg19.chromInfo\"  > hg19.genome" << endl << endl;