diff --git a/physica-manual.pdf b/physica-manual.pdf
index 127a66b..55daa9b 100644
Binary files a/physica-manual.pdf and b/physica-manual.pdf differ
diff --git a/physica-manual.typ b/physica-manual.typ
index d0659d1..45cbad2 100644
--- a/physica-manual.typ
+++ b/physica-manual.typ
@@ -157,7 +157,7 @@ All symbols need to be used in *math mode* `$...$`.
   [`vecrow(`...`)`],
   [],
   [
-    `vecrow(1,2)` #sym.arrow $vecrow(1,2)$ \
+    `vecrow(alpha, b)` \ #sym.arrow $vecrow(alpha, b)$ \
     `vecrow(sum_0^n a_i, b)` \ #sym.arrow $vecrow(sum_0^n a_i,b)$ \
   ],
   [row vector],
diff --git a/physica.typ b/physica.typ
index 1fb3777..ebc798a 100644
--- a/physica.typ
+++ b/physica.typ
@@ -149,7 +149,7 @@
 
 // == Vector notations
 
-#let vecrow(..content) = $lr(( #content.pos().join(",") ))$
+#let vecrow(..content) = $lr(( #content.pos().join([,]) ))$
 
 // Prefer using super-T-as-transpose()
 #let TT = $sans(upright(T))$