2 files changed, 6 insertions, 6 deletions
diff --git a/chapter02/docs/02-grammar.md b/chapter02/docs/02-grammar.md
index 1a1e1239..ce875eda 100644
--- a/chapter02/docs/02-grammar.md
+++ b/chapter02/docs/02-grammar.md
@@ -14,11 +14,11 @@ statement
 expression
     : additiveExpression
     ;
-    
+
 additiveExpression
-    : multiplicativeExpression (('+' | '-') multiplicativeExpression)*    
+    : multiplicativeExpression (('+' | '-') multiplicativeExpression)*
     ;
-    
+
 multiplicativeExpression
     : unaryExpression (('*' | '/') unaryExpression)*
     ;
@@ -36,5 +36,5 @@ primaryExpression
 INTEGER_LITERAL
     : [1-9][0-9]*
     | [0]
-    ;    
-```
-\ No newline at end of file
+    ;
+```
diff --git a/chapter02/docs/02-lattice.gv b/chapter02/docs/02-lattice.gv
index 57f14d77..4faa0e11 100644
--- a/chapter02/docs/02-lattice.gv
+++ b/chapter02/docs/02-lattice.gv
@@ -3,7 +3,7 @@ digraph Lattice {
     node [shape=circle, style=filled, fillcolor=lightblue];
     Top [label="⊤"];
     Bottom [label="⊥"];
-    
+
     A [label="MIN_INT"];
     B [label="..." shape=none style=none];
     C [label="-1"];