1 files changed, 5 insertions, 4 deletions

diff --git a/syntax.md b/syntax.md
index 79b92ad..0123d7e 100644
--- a/syntax.md
+++ b/syntax.md
@@ -326,9 +326,9 @@ ArithmeticSuffix           ← '+' TermExpression /
 
 BitwiseOpExpression        ← ArithmeticExpression '<<' ArithmeticExpression /
                              ArithmeticExpression '>>' ArithmeticExpression /
-                             ArithmeticExpression '&' ArithmeticExpression /
                              ArithmeticExpression '^' ArithmeticExpression /
-                             ArithmeticExpression '|' ArithmeticExpression /
+                             ArithmeticExpression ('&' ArithmeticExpression)+ /
+                             ArithmeticExpression ('|' ArithmeticExpression)+ /
                              ArithmeticExpression
 
 ComparisonExpression       ← BitwiseOpExpression '==' BitwiseOpExpression /
@@ -339,8 +339,9 @@ ComparisonExpression       ← BitwiseOpExpression '==' BitwiseOpExpression /
                              BitwiseOpExpression '>' BitwiseOpExpression /
                              BitwiseOpExpression
 
-Expression                 ← ComparisonExpression ('&&' ComparisonExpression)* /
-                             ComparisonExpression ('||' ComparisonExpression)*
+Expression                 ← ComparisonExpression ('&&' ComparisonExpression)+ /
+                             ComparisonExpression ('||' ComparisonExpression)+ /
+                             ComparisonExpression
 ```
 
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