diff --git a/src/RuleCondition.cc b/src/RuleCondition.cc
index 68eb13121f..40ef5f0ad1 100644
--- a/src/RuleCondition.cc
+++ b/src/RuleCondition.cc
@@ -111,7 +111,7 @@ bool RuleConditionPayloadSize::DoMatch(Rule* rule, RuleEndpointState* state,
 		return payload_size >= val;
 
 	default:
-		reporter->InternalError("unknown comparision type");
+		reporter->InternalError("unknown comparison type");
 	}
 
 	// Should not be reached
diff --git a/src/RuleMatcher.cc b/src/RuleMatcher.cc
index f40a5c4349..f5b5b82517 100644
--- a/src/RuleMatcher.cc
+++ b/src/RuleMatcher.cc
@@ -21,7 +21,7 @@
 //			it may fail to match. Work-around: Insert an always
 //			matching "payload" pattern (not done in snort2bro yet)
 //		  - tcp-state always evaluates to true
-//			(implemented but deactivated for comparision to Snort)
+//			(implemented but deactivated for comparison to Snort)
 
 uint32 RuleHdrTest::idcounter = 0;
 
diff --git a/src/Serializer.cc b/src/Serializer.cc
index 49e57c0216..5c1ae6077c 100644
--- a/src/Serializer.cc
+++ b/src/Serializer.cc
@@ -437,7 +437,7 @@ bool Serializer::UnserializeCall(UnserialInfo* info)
 
 bool Serializer::UnserializeStateAccess(UnserialInfo* info)
 	{
-	SetErrorDescr("unserializing state acess");
+	SetErrorDescr("unserializing state access");
 
 	StateAccess* s = StateAccess::Unserialize(info);
 
diff --git a/src/StateAccess.cc b/src/StateAccess.cc
index aa4a1f36d2..6e73c8cf61 100644
--- a/src/StateAccess.cc
+++ b/src/StateAccess.cc
@@ -150,7 +150,7 @@ bool StateAccess::CheckOld(const char* op, ID* id, Val* index,
 
 	if ( should && is )
 		{
-		// There's no general comparision for non-atomic vals currently.
+		// There's no general comparison for non-atomic vals currently.
 		if ( ! (is_atomic_val(is) && is_atomic_val(should)) )
 			return true;
 
diff --git a/src/broxygen/Configuration.cc b/src/broxygen/Configuration.cc
index 264e8e6fcb..4780e6ad99 100644
--- a/src/broxygen/Configuration.cc
+++ b/src/broxygen/Configuration.cc
@@ -65,7 +65,7 @@ Config::Config(const string& arg_file, const string& delim)
 		Target* target = target_factory.Create(tokens[0], tokens[2], tokens[1]);
 
 		if ( ! target )
-			reporter->FatalError("unkown Broxygen target type: %s",
+			reporter->FatalError("unknown Broxygen target type: %s",
 			                     tokens[0].c_str());
 
 		targets.push_back(target);
diff --git a/src/nb_dns.c b/src/nb_dns.c
index 1e5d427924..35059ab4f0 100644
--- a/src/nb_dns.c
+++ b/src/nb_dns.c
@@ -389,7 +389,7 @@ nb_dns_addr_request2(register struct nb_dns_info *nd, char *addrp,
 
 	default:
 		snprintf(errstr, NB_DNS_ERRSIZE,
-		    "nb_dns_addr_request2(): uknown address family %d", af);
+		    "nb_dns_addr_request2(): unknown address family %d", af);
 		return (-1);
 	}