diff --git a/compiler/can/src/builtins.rs b/compiler/can/src/builtins.rs
index fee0598286..09194a8c6b 100644
--- a/compiler/can/src/builtins.rs
+++ b/compiler/can/src/builtins.rs
@@ -411,8 +411,8 @@ fn lowlevel_4(symbol: Symbol, op: LowLevel, var_store: &mut VarStore) -> Def {
 /// Num.maxInt : Int
 fn num_max_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let int_var = var_store.fresh();
-    let int_percision_var = var_store.fresh();
-    let body = Int(int_var, int_percision_var, i64::MAX.into());
+    let int_precision_var = var_store.fresh();
+    let body = Int(int_var, int_precision_var, i64::MAX.into());
 
     Def {
         annotation: None,
@@ -426,8 +426,8 @@ fn num_max_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
 /// Num.minInt : Int
 fn num_min_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let int_var = var_store.fresh();
-    let int_percision_var = var_store.fresh();
-    let body = Int(int_var, int_percision_var, i64::MIN.into());
+    let int_precision_var = var_store.fresh();
+    let body = Int(int_var, int_precision_var, i64::MIN.into());
 
     Def {
         annotation: None,
@@ -1131,7 +1131,7 @@ fn num_sqrt(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let bool_var = var_store.fresh();
     let float_var = var_store.fresh();
     let unbound_zero_var = var_store.fresh();
-    let percision_var = var_store.fresh();
+    let precision_var = var_store.fresh();
     let ret_var = var_store.fresh();
 
     let body = If {
@@ -1145,7 +1145,7 @@ fn num_sqrt(symbol: Symbol, var_store: &mut VarStore) -> Def {
                     op: LowLevel::NotEq,
                     args: vec![
                         (float_var, Var(Symbol::ARG_1)),
-                        (float_var, Float(unbound_zero_var, percision_var, 0.0)),
+                        (float_var, Float(unbound_zero_var, precision_var, 0.0)),
                     ],
                     ret_var: bool_var,
                 },
@@ -1385,8 +1385,8 @@ fn num_int_cast(symbol: Symbol, var_store: &mut VarStore) -> Def {
 /// Num.maxI128: I128
 fn num_max_i128(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let int_var = var_store.fresh();
-    let int_percision_var = var_store.fresh();
-    let body = Int(int_var, int_percision_var, i128::MAX);
+    let int_precision_var = var_store.fresh();
+    let body = Int(int_var, int_precision_var, i128::MAX);
 
     let std = roc_builtins::std::types();
     let solved = std.get(&symbol).unwrap();
@@ -2661,7 +2661,7 @@ fn num_div_float(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let bool_var = var_store.fresh();
     let num_var = var_store.fresh();
     let unbound_zero_var = var_store.fresh();
-    let percision_var = var_store.fresh();
+    let precision_var = var_store.fresh();
     let ret_var = var_store.fresh();
 
     let body = If {
@@ -2675,7 +2675,7 @@ fn num_div_float(symbol: Symbol, var_store: &mut VarStore) -> Def {
                     op: LowLevel::NotEq,
                     args: vec![
                         (num_var, Var(Symbol::ARG_2)),
-                        (num_var, Float(unbound_zero_var, percision_var, 0.0)),
+                        (num_var, Float(unbound_zero_var, precision_var, 0.0)),
                     ],
                     ret_var: bool_var,
                 },
@@ -2724,7 +2724,7 @@ fn num_div_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let bool_var = var_store.fresh();
     let num_var = var_store.fresh();
     let unbound_zero_var = var_store.fresh();
-    let unbound_zero_percision_var = var_store.fresh();
+    let unbound_zero_precision_var = var_store.fresh();
     let ret_var = var_store.fresh();
 
     let body = If {
@@ -2740,7 +2740,7 @@ fn num_div_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
                         (num_var, Var(Symbol::ARG_2)),
                         (
                             num_var,
-                            Int(unbound_zero_var, unbound_zero_percision_var, 0),
+                            Int(unbound_zero_var, unbound_zero_precision_var, 0),
                         ),
                     ],
                     ret_var: bool_var,
@@ -2795,7 +2795,7 @@ fn list_first(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let list_var = var_store.fresh();
     let len_var = var_store.fresh();
     let zero_var = var_store.fresh();
-    let zero_percision_var = var_store.fresh();
+    let zero_precision_var = var_store.fresh();
     let list_elem_var = var_store.fresh();
     let ret_var = var_store.fresh();
 
@@ -2810,7 +2810,7 @@ fn list_first(symbol: Symbol, var_store: &mut VarStore) -> Def {
                 RunLowLevel {
                     op: LowLevel::NotEq,
                     args: vec![
-                        (len_var, Int(zero_var, zero_percision_var, 0)),
+                        (len_var, Int(zero_var, zero_precision_var, 0)),
                         (
                             len_var,
                             RunLowLevel {
@@ -2834,7 +2834,7 @@ fn list_first(symbol: Symbol, var_store: &mut VarStore) -> Def {
                             op: LowLevel::ListGetUnsafe,
                             args: vec![
                                 (list_var, Var(Symbol::ARG_1)),
-                                (len_var, Int(zero_var, zero_percision_var, 0)),
+                                (len_var, Int(zero_var, zero_precision_var, 0)),
                             ],
                             ret_var: list_elem_var,
                         },
@@ -2876,7 +2876,7 @@ fn list_last(symbol: Symbol, var_store: &mut VarStore) -> Def {
     let list_var = var_store.fresh();
     let len_var = var_store.fresh();
     let num_var = var_store.fresh();
-    let num_percision_var = var_store.fresh();
+    let num_precision_var = var_store.fresh();
     let list_elem_var = var_store.fresh();
     let ret_var = var_store.fresh();
 
@@ -2891,7 +2891,7 @@ fn list_last(symbol: Symbol, var_store: &mut VarStore) -> Def {
                 RunLowLevel {
                     op: LowLevel::NotEq,
                     args: vec![
-                        (len_var, Int(num_var, num_percision_var, 0)),
+                        (len_var, Int(num_var, num_precision_var, 0)),
                         (
                             len_var,
                             RunLowLevel {
@@ -2930,7 +2930,7 @@ fn list_last(symbol: Symbol, var_store: &mut VarStore) -> Def {
                                                     ret_var: len_var,
                                                 },
                                             ),
-                                            (arg_var, Int(num_var, num_percision_var, 1)),
+                                            (arg_var, Int(num_var, num_precision_var, 1)),
                                         ],
                                         ret_var: len_var,
                                     },