fixed typo
diff --git a/src/kll_float_sketch_pg_functions.c b/src/kll_float_sketch_pg_functions.c
index 44ab20f..e38f7aa 100644
--- a/src/kll_float_sketch_pg_functions.c
+++ b/src/kll_float_sketch_pg_functions.c
@@ -233,7 +233,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);
 
@@ -283,7 +283,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);
 
diff --git a/src/quantiles_double_sketch_pg_functions.c b/src/quantiles_double_sketch_pg_functions.c
index be07b6a..dbc2b79 100644
--- a/src/quantiles_double_sketch_pg_functions.c
+++ b/src/quantiles_double_sketch_pg_functions.c
@@ -233,7 +233,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);
 
@@ -283,7 +283,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);
 
diff --git a/src/req_float_sketch_pg_functions.c b/src/req_float_sketch_pg_functions.c
index 128afbb..a42de15 100644
--- a/src/req_float_sketch_pg_functions.c
+++ b/src/req_float_sketch_pg_functions.c
@@ -245,7 +245,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);
 
@@ -299,7 +299,7 @@
   pfree(split_points);
 
   // construct output array of fractions
-  arr_len_out = arr_len_in + 1; // N split points devide the number line into N+1 intervals
+  arr_len_out = arr_len_in + 1; // N split points divide the number line into N+1 intervals
   get_typlenbyvalalign(FLOAT8OID, &elmlen_out, &elmbyval_out, &elmalign_out);
   arr_out = construct_array(result, arr_len_out, FLOAT8OID, elmlen_out, elmbyval_out, elmalign_out);