diff --git a/arch/x86/crt0.S b/arch/x86/crt0.S
index f37e9627a9a..6f1f452a4e7 100644
--- a/arch/x86/crt0.S
+++ b/arch/x86/crt0.S
@@ -585,7 +585,7 @@ _GdtRom:
 	 * address.
 	 *
 	 * The 'A' (accessed) bit in the type field is _not_ set for all the
-	 * data/code segment descriptors to accomodate placing these entries
+	 * data/code segment descriptors to accommodate placing these entries
 	 * in ROM, since such use is not planned for this platform.
 	 */
 
diff --git a/net/ip/contiki/packetbuf.h b/net/ip/contiki/packetbuf.h
index 8734c978725..b5ae681efcb 100644
--- a/net/ip/contiki/packetbuf.h
+++ b/net/ip/contiki/packetbuf.h
@@ -264,7 +264,7 @@ int packetbuf_copyfrom(struct net_mbuf *buf, const void *from, uint16_t len);
  *             external data is copied.
  *
  *             The external buffer to which the packetbuf is to be
- *             copied must be able to accomodate at least
+ *             copied must be able to accommodate at least
  *             (PACKETBUF_SIZE + PACKETBUF_HDR_SIZE) bytes. The number of
  *             bytes that was copied to the external buffer is
  *             returned.
@@ -281,7 +281,7 @@ int packetbuf_copyto(struct net_mbuf *buf, void *to);
  *             to an external buffer.
  *
  *             The external buffer to which the packetbuf is to be
- *             copied must be able to accomodate at least
+ *             copied must be able to accommodate at least
  *             PACKETBUF_HDR_SIZE bytes. The number of bytes that was
  *             copied to the external buffer is returned.
  *