diff --git a/src/lab/exp10/content1.html b/src/lab/exp10/content1.html
index 27259b1c8..383d12319 100755
--- a/src/lab/exp10/content1.html
+++ b/src/lab/exp10/content1.html
@@ -192,7 +192,7 @@
diff --git a/src/lab/exp6/content1.html b/src/lab/exp6/content1.html
index 7f1d72012..0d2f2eb11 100755
--- a/src/lab/exp6/content1.html
+++ b/src/lab/exp6/content1.html
@@ -192,7 +192,7 @@
diff --git a/src/lab/exp7/content1.html b/src/lab/exp7/content1.html
index d351ac300..68b459ac5 100755
--- a/src/lab/exp7/content1.html
+++ b/src/lab/exp7/content1.html
@@ -192,7 +192,7 @@
diff --git a/src/lab/exp8/content1.html b/src/lab/exp8/content1.html
index 1db2dd95b..f865013ed 100755
--- a/src/lab/exp8/content1.html
+++ b/src/lab/exp8/content1.html
@@ -192,7 +192,7 @@
diff --git a/src/lab/exp9/content1.html b/src/lab/exp9/content1.html
index c7a465e29..c690834bf 100755
--- a/src/lab/exp9/content1.html
+++ b/src/lab/exp9/content1.html
@@ -192,7 +192,7 @@