diff --git a/haru/pdf.c b/haru/pdf.c
index d16f573..3129427 100644
--- a/haru/pdf.c
+++ b/haru/pdf.c
@@ -105,7 +105,7 @@ static awk_scalar_t HPDF_CS_PATTERN_node;
 /*  LineCap */
 static awk_scalar_t HPDF_BUTT_END_node;
 static awk_scalar_t HPDF_ROUND_END_node;
-static awk_scalar_t HPDF_PROJECTING_SCUARE_END_node;
+static awk_scalar_t HPDF_PROJECTING_SQUARE_END_node;
 
 /*  _LineJoin */
 static awk_scalar_t HPDF_MITER_JOIN_node;
@@ -248,7 +248,7 @@ static awk_scalar_t HPDF_ENCODER_UNKNOWN_node;
 /* ByteType */
 static awk_scalar_t HPDF_BYTE_TYPE_SINGLE_node;
 static awk_scalar_t HPDF_BYTE_TYPE_LEAD_node;
-static awk_scalar_t HPDF_BYTE_TYPE_TRIAL_node;
+static awk_scalar_t HPDF_BYTE_TYPE_TRAIL_node;
 static awk_scalar_t HPDF_BYTE_TYPE_UNKNOWN_node;
 
 /* TextAlignment */
@@ -308,7 +308,7 @@ static const struct varinit varinit[] = {
 	ENTRY(HPDF_CS_PATTERN, 1)
 	ENTRY(HPDF_BUTT_END, 1)
 	ENTRY(HPDF_ROUND_END, 1)
-	ENTRY(HPDF_PROJECTING_SCUARE_END, 1)
+	ENTRY(HPDF_PROJECTING_SQUARE_END, 1)
 	ENTRY(HPDF_MITER_JOIN, 1)
 	ENTRY(HPDF_ROUND_JOIN, 1)
 	ENTRY(HPDF_BEVEL_JOIN, 1)
@@ -417,7 +417,7 @@ static const struct varinit varinit[] = {
 	ENTRY(HPDF_ENCODER_UNKNOWN, 1)
 	ENTRY(HPDF_BYTE_TYPE_SINGLE, 1)
 	ENTRY(HPDF_BYTE_TYPE_LEAD, 1)
-	ENTRY(HPDF_BYTE_TYPE_TRIAL, 1)
+	ENTRY(HPDF_BYTE_TYPE_TRAIL, 1)
 	ENTRY(HPDF_BYTE_TYPE_UNKNOWN, 1)
 	ENTRY(HPDF_TALIGN_LEFT, 1)
 	ENTRY(HPDF_TALIGN_RIGHT, 1)
diff --git a/haru/pdf.h b/haru/pdf.h
index a4ef39a..07cf168 100644
--- a/haru/pdf.h
+++ b/haru/pdf.h
@@ -86,7 +86,7 @@
 
 #define DEFAULT_HPDF_BUTT_END HPDF_BUTT_END
 #define DEFAULT_HPDF_ROUND_END HPDF_ROUND_END
-#define DEFAULT_HPDF_PROJECTING_SCUARE_END HPDF_PROJECTING_SCUARE_END
+#define DEFAULT_HPDF_PROJECTING_SQUARE_END HPDF_PROJECTING_SQUARE_END
 
 /*  _LineJoin */
 #define DEFAULT_HPDF_MITER_JOIN HPDF_MITER_JOIN
@@ -229,7 +229,7 @@
 /* ByteType */
 #define DEFAULT_HPDF_BYTE_TYPE_SINGLE HPDF_BYTE_TYPE_SINGLE
 #define DEFAULT_HPDF_BYTE_TYPE_LEAD HPDF_BYTE_TYPE_LEAD
-#define DEFAULT_HPDF_BYTE_TYPE_TRIAL HPDF_BYTE_TYPE_TRIAL 
+#define DEFAULT_HPDF_BYTE_TYPE_TRAIL HPDF_BYTE_TYPE_TRAIL
 #define DEFAULT_HPDF_BYTE_TYPE_UNKNOWN HPDF_BYTE_TYPE_UNKNOWN 
 
 /* TextAlignment */