diff --git a/public/css/all-app.css b/public/css/all-app.css
index 19b550c7070..dcc21384f7d 100644
--- a/public/css/all-app.css
+++ b/public/css/all-app.css
@@ -1969,7 +1969,7 @@ span, div, td, input, textarea, button, select {
 }
 
 
-.markdwon pre {
+.markdown pre {
     background-color: #F5F5F5;
     border: 1px solid rgba(0, 0, 0, 0.15);
     border-radius: 4px 4px 4px 4px;
diff --git a/public/css/all-web.css b/public/css/all-web.css
index 8673c1f1f6c..971d32f6363 100644
--- a/public/css/all-web.css
+++ b/public/css/all-web.css
@@ -1830,7 +1830,7 @@ span, div, td, input, textarea, button, select {
 }
 
 
-.markdwon pre {
+.markdown pre {
     background-color: #F5F5F5;
     border: 1px solid rgba(0, 0, 0, 0.15);
     border-radius: 4px 4px 4px 4px;