diff --git a/include/proto/h1.h b/include/proto/h1.h
index a39cc0b2e..b29d76b7a 100644
--- a/include/proto/h1.h
+++ b/include/proto/h1.h
@@ -179,7 +179,7 @@ static inline int h1_skip_chunk_crlf(const struct buffer *buf, int start, int st
 	const char *ptr = b_peek(buf, start);
 	int bytes = 1;
 
-	/* NB: we'll check data availabilty at the end. It's not a
+	/* NB: we'll check data availability at the end. It's not a
 	 * problem because whatever we match first will be checked
 	 * against the correct length.
 	 */
diff --git a/src/mux_h1.c b/src/mux_h1.c
index 4c5bae0fc..ae0b54b21 100644
--- a/src/mux_h1.c
+++ b/src/mux_h1.c
@@ -811,7 +811,7 @@ static void h1_capture_bad_message(struct h1c *h1c, struct h1s *h1s,
  * Parse HTTP/1 headers. It returns the number of bytes parsed if > 0, or 0 if
  * it couldn't proceed. Parsing errors are reported by setting H1S_F_*_ERROR
  * flag and filling h1s->err_pos and h1s->err_state fields. This functions is
- * responsibile to update the parser state <h1m>.
+ * responsible to update the parser state <h1m>.
  */
 static size_t h1_process_headers(struct h1s *h1s, struct h1m *h1m, struct htx *htx,
 				 struct buffer *buf, size_t *ofs, size_t max)
@@ -956,7 +956,7 @@ static size_t h1_process_headers(struct h1s *h1s, struct h1m *h1m, struct htx *h
  * Parse HTTP/1 body. It returns the number of bytes parsed if > 0, or 0 if it
  * couldn't proceed. Parsing errors are reported by setting H1S_F_*_ERROR flag
  * and filling h1s->err_pos and h1s->err_state fields. This functions is
- * responsibile to update the parser state <h1m>.
+ * responsible to update the parser state <h1m>.
  */
 static size_t h1_process_data(struct h1s *h1s, struct h1m *h1m, struct htx *htx,
 			      struct buffer *buf, size_t *ofs, size_t max)