diff --git a/guc.c b/guc.c
index 87ebdb3..f9a3022 100644
--- a/guc.c
+++ b/guc.c
@@ -98,7 +98,7 @@ init_guc(void)
 	
 	conf[i++] = (GucVariable) { 
 		.guc_name = "pg_stat_monitor.pgsm_respose_time_step",
-		.guc_desc = "Sets the respose time steps in millisecond.",
+		.guc_desc = "Sets the response time steps in millisecond.",
 		.guc_default = 1,
 		.guc_min = 1,
 		.guc_max = INT_MAX,
@@ -237,7 +237,7 @@ init_guc(void)
 							NULL);
 
 	DefineCustomIntVariable("pg_stat_monitor.pgsm_respose_time_step",
-							"Sets the respose time steps in millisecond.",
+							"Sets the response time steps in millisecond.",
 							NULL,
 							&PGSM_RESPOSE_TIME_STEP,
 							1,
diff --git a/pg_stat_monitor--1.0.sql b/pg_stat_monitor--1.0.sql
index 1c73e43..c6d2d1f 100644
--- a/pg_stat_monitor--1.0.sql
+++ b/pg_stat_monitor--1.0.sql
@@ -34,7 +34,7 @@ CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
     OUT max_time            float8,
     OUT mean_time           float8,
     OUT stddev_time         float8,
-    OUT effected_rows       int8,
+    OUT affected_rows       int8,
     
 	OUT shared_blks_hit     int8,
     OUT shared_blks_read    int8,
@@ -112,7 +112,7 @@ CREATE VIEW pg_stat_monitor AS SELECT
 	round( CAST(max_time as numeric), 2)::float8 as max_time,
 	round( CAST(mean_time as numeric), 2)::float8 as mean_time,
 	round( CAST(stddev_time as numeric), 2)::float8 as stddev_time,
-	effected_rows,
+	affected_rows,
     shared_blks_hit,
     shared_blks_read,
     shared_blks_dirtied,