diff --git a/docs/angular/slides.md b/docs/angular/slides.md
index e9ffe1b23f8..104bd4097ed 100644
--- a/docs/angular/slides.md
+++ b/docs/angular/slides.md
@@ -109,6 +109,7 @@ swiper-slide {
   display: flex;
   position: relative;
 
+  flex-direction: column;
   flex-shrink: 0;
   align-items: center;
   justify-content: center;
diff --git a/versioned_docs/version-v6/angular/slides.md b/versioned_docs/version-v6/angular/slides.md
index 1092d293082..7e5870e8cfa 100644
--- a/versioned_docs/version-v6/angular/slides.md
+++ b/versioned_docs/version-v6/angular/slides.md
@@ -107,6 +107,7 @@ swiper-slide {
   display: flex;
   position: relative;
 
+  flex-direction: column;
   flex-shrink: 0;
   align-items: center;
   justify-content: center;