diff --git a/doc/manuals/chapters/remsim-bankd.adoc b/doc/manuals/chapters/remsim-bankd.adoc
index d35056b..a3a1921 100644
--- a/doc/manuals/chapters/remsim-bankd.adoc
+++ b/doc/manuals/chapters/remsim-bankd.adoc
@@ -127,4 +127,4 @@ Scanning present readers...
 ----
 
 In this example, there's only a single PC/SC reader available, and it has a string of
-"Alcor Micro AU9560 00 00" whcih needs to be copy-pasted into the CSV file.
+"Alcor Micro AU9560 00 00" which needs to be copy-pasted into the CSV file.
diff --git a/include/osmocom/rspro/INTEGER.h b/include/osmocom/rspro/INTEGER.h
index e8b36c7..c8edf12 100644
--- a/include/osmocom/rspro/INTEGER.h
+++ b/include/osmocom/rspro/INTEGER.h
@@ -68,8 +68,8 @@ enum asn_strtol_result_e {
     ASN_STRTOL_ERROR_RANGE = -3,  /* Input outside of numeric range for long type */
     ASN_STRTOL_ERROR_INVAL = -2,  /* Invalid data encountered (e.g., "+-") */
     ASN_STRTOL_EXPECT_MORE = -1,  /* More data expected (e.g. "+") */
-    ASN_STRTOL_OK          =  0,  /* Conversion succeded, number ends at (*end) */
-    ASN_STRTOL_EXTRA_DATA  =  1,  /* Conversion succeded, but the string has extra stuff */
+    ASN_STRTOL_OK          =  0,  /* Conversion succeeded, number ends at (*end) */
+    ASN_STRTOL_EXTRA_DATA  =  1,  /* Conversion succeeded, but the string has extra stuff */
 };
 enum asn_strtol_result_e asn_strtol_lim(const char *str, const char **end, long *l);
 
diff --git a/include/osmocom/rspro/constr_TYPE.h b/include/osmocom/rspro/constr_TYPE.h
index 13c60f3..e244d20 100644
--- a/include/osmocom/rspro/constr_TYPE.h
+++ b/include/osmocom/rspro/constr_TYPE.h
@@ -158,8 +158,8 @@ typedef struct asn_TYPE_member_s {
 typedef struct asn_TYPE_tag2member_s {
 	ber_tlv_tag_t el_tag;	/* Outmost tag of the member */
 	int el_no;		/* Index of the associated member, base 0 */
-	int toff_first;		/* First occurence of the el_tag, relative */
-	int toff_last;		/* Last occurence of the el_tag, relatvie */
+	int toff_first;		/* First occurrence of the el_tag, relative */
+	int toff_last;		/* Last occurrence of the el_tag, relatvie */
 } asn_TYPE_tag2member_t;
 
 /*
diff --git a/include/osmocom/rspro/per_support.h b/include/osmocom/rspro/per_support.h
index 181fe24..ed945ce 100644
--- a/include/osmocom/rspro/per_support.h
+++ b/include/osmocom/rspro/per_support.h
@@ -53,7 +53,7 @@ typedef struct asn_per_data_s {
  */
 int32_t per_get_few_bits(asn_per_data_t *per_data, int get_nbits);
 
-/* Undo the immediately preceeding "get_few_bits" operation */
+/* Undo the immediately preceding "get_few_bits" operation */
 void per_get_undo(asn_per_data_t *per_data, int get_nbits);
 
 /*
diff --git a/src/rspro/NativeInteger.c b/src/rspro/NativeInteger.c
index ef17bee..17a58ea 100644
--- a/src/rspro/NativeInteger.c
+++ b/src/rspro/NativeInteger.c
@@ -94,7 +94,7 @@ NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
 	/*
 	 * ASN.1 encoded INTEGER: buf_ptr, length
 	 * Fill the native, at the same time checking for overflow.
-	 * If overflow occured, return with RC_FAIL.
+	 * If overflow occurred, return with RC_FAIL.
 	 */
 	{
 		INTEGER_t tmp;
diff --git a/src/rspro/OCTET_STRING.c b/src/rspro/OCTET_STRING.c
index 3e424e7..6df9a0a 100644
--- a/src/rspro/OCTET_STRING.c
+++ b/src/rspro/OCTET_STRING.c
@@ -109,7 +109,7 @@ asn_TYPE_descriptor_t asn_DEF_OCTET_STRING = {
 /*
  * The main reason why ASN.1 is still alive is that too much time and effort
  * is necessary for learning it more or less adequately, thus creating a gut
- * necessity to demonstrate that aquired skill everywhere afterwards.
+ * necessity to demonstrate that acquired skill everywhere afterwards.
  * No, I am not going to explain what the following stuff is.
  */
 struct _stack_el {
diff --git a/src/rspro/ber_tlv_tag.c b/src/rspro/ber_tlv_tag.c
index 4270876..adf3a25 100644
--- a/src/rspro/ber_tlv_tag.c
+++ b/src/rspro/ber_tlv_tag.c
@@ -42,7 +42,7 @@ ber_fetch_tag(const void *ptr, size_t size, ber_tlv_tag_t *tag_r) {
 			 */
 			if(val >> ((8 * sizeof(val)) - 9)) {
 				/*
-				 * We would not be able to accomodate
+				 * We would not be able to accommodate
 				 * any more tag bits.
 				 */
 				return -1;
diff --git a/src/rspro/constr_CHOICE.c b/src/rspro/constr_CHOICE.c
index 18c24cd..6a88b29 100644
--- a/src/rspro/constr_CHOICE.c
+++ b/src/rspro/constr_CHOICE.c
@@ -156,7 +156,7 @@ CHOICE_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
 			}
 
 			if(ctx->left >= 0) {
-				/* ?Substracted below! */
+				/* ?Subtracted below! */
 				ctx->left += rval.consumed;
 			}
 			ADVANCE(rval.consumed);
diff --git a/src/rspro/constr_SEQUENCE.c b/src/rspro/constr_SEQUENCE.c
index 21e5190..0ffa282 100644
--- a/src/rspro/constr_SEQUENCE.c
+++ b/src/rspro/constr_SEQUENCE.c
@@ -166,7 +166,7 @@ SEQUENCE_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
 		}
 
 		if(ctx->left >= 0)
-			ctx->left += rval.consumed; /* ?Substracted below! */
+			ctx->left += rval.consumed; /* ?Subtracted below! */
 		ADVANCE(rval.consumed);
 
 		NEXT_PHASE(ctx);
diff --git a/src/rspro/converter-sample.c b/src/rspro/converter-sample.c
index 2f74a80..6047273 100644
--- a/src/rspro/converter-sample.c
+++ b/src/rspro/converter-sample.c
@@ -390,7 +390,7 @@ buffer_dump() {
 
 /*
  * Move the buffer content left N bits, possibly joining it with
- * preceeding content.
+ * preceding content.
  */
 static void
 buffer_shift_left(size_t offset, int bits) {
diff --git a/src/rspro/per_opentype.c b/src/rspro/per_opentype.c
index 8c42f8b..e697cbb 100644
--- a/src/rspro/per_opentype.c
+++ b/src/rspro/per_opentype.c
@@ -154,7 +154,7 @@ uper_open_type_get_simple(asn_codec_ctx_t *ctx, asn_TYPE_descriptor_t *td,
 	} else {
 		FREEMEM(buf);
 		/* rv.code could be RC_WMORE, nonsense in this context */
-		rv.code = RC_FAIL; /* Noone would give us more */
+		rv.code = RC_FAIL; /* No one would give us more */
 	}
 
 	return rv;
diff --git a/src/simtrace2/apdu_dispatch.c b/src/simtrace2/apdu_dispatch.c
index 7c7ed01..b9dc3b7 100644
--- a/src/simtrace2/apdu_dispatch.c
+++ b/src/simtrace2/apdu_dispatch.c
@@ -59,7 +59,7 @@ static void dump_apdu_ctx(const struct apdu_context *ac)
 }
 
 /*! \brief input function for APDU segmentation
- *  \param ac APDU context accross successive calls
+ *  \param ac APDU context across successive calls
  *  \param[in] apdu_buf APDU inpud data buffer
  *  \param[in] apdu_len Length of apdu_buf
  *  \param[in] new_apdu Is this the beginning of a new APDU?