Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 3c316ea..0b07fbc 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -1323,7 +1323,7 @@
 			dst = &vsub->classmark;
 	}
 
-	LOG_MSC_A(msc_a, LOGL_DEBUG, "A5 capabilities recived from Classmark Update: %s\n",
+	LOG_MSC_A(msc_a, LOGL_DEBUG, "A5 capabilities received from Classmark Update: %s\n",
 		  osmo_gsm48_classmark_a5_name(classmark));
 	osmo_gsm48_classmark_update(dst, classmark);
 
@@ -1643,7 +1643,7 @@
 							 MSC_EV_CALL_LEG_RTP_COMPLETE);
 		OSMO_ASSERT(cl);
 
-		/* HACK: We put the connection in loopback mode at the beginnig to
+		/* HACK: We put the connection in loopback mode at the beginning to
 		 * trick the hNodeB into doing the IuUP negotiation with itself.
 		 * This is a hack we need because osmo-mgw does not support IuUP yet, see OS#2459. */
 		if (msc_a->c.ran->type == OSMO_RAT_UTRAN_IU)