fix latex snippets

nvim/UltiSnips/tex.snippets

@@ -12,7 +12,7 @@ snippet subsec
 endsnippet
 
 # Subsection
-snippet subsubsec
+snippet subsub
 \subsubsection{${1}}
 \label{subsubsec:${2}}
 endsnippet
@@ -64,7 +64,7 @@ endsnippet
 # align
 snippet align
 \begin{align}
-	${0} \label{eq:${1}}
+	${0} \label{eqn:${1}}
 \end{align}
 endsnippet