diff --git a/my_snippets/all.snippets b/my_snippets/all.snippets
index 1f1fb44..efe5ada 100644
--- a/my_snippets/all.snippets
+++ b/my_snippets/all.snippets
@@ -1,4 +1,4 @@
-snippet ltx "LaTeX symbol"
+snippet "(?<!\w)ltx" "LaTeX symbol" r
 LaTeX
 endsnippet
 
diff --git a/my_snippets/markdown.snippets b/my_snippets/markdown.snippets
index 1a01a09..1a8add9 100644
--- a/my_snippets/markdown.snippets
+++ b/my_snippets/markdown.snippets
@@ -33,7 +33,7 @@ endsnippet
 
 snippet img "Aligned image using HTML tag"
 <p align="center">
-<img src="${1:URL}">
+<img src="${1:URL}" width="400">
 </p>
 $0
 endsnippet