Spell check (by Larry Doolittle)

4 files changed, 4 insertions, 4 deletions

diff --git a/kernel/driver.cc b/kernel/driver.cc
index ce40425d..95835951 100644
--- a/kernel/driver.cc
+++ b/kernel/driver.cc
@@ -217,7 +217,7 @@ int main(int argc, char **argv)
 		printf("        print version information and exit\n");
 		printf("\n");
 		printf("The option -S is an shortcut for calling the \"synth\" command, a default\n");
-		printf("script for transforming the verilog input to a gate-level netlist. For example:\n");
+		printf("script for transforming the Verilog input to a gate-level netlist. For example:\n");
 		printf("\n");
 		printf("    yosys -o output.blif -S input.v\n");
 		printf("\n");
diff --git a/kernel/log.h b/kernel/log.h
index b113b567..8cf47146 100644
--- a/kernel/log.h
+++ b/kernel/log.h
@@ -145,7 +145,7 @@ std::string cover_list_worker(std::string prefix, std::string first, T... rest)
 // ------------------------------------------------------------
 
 // simple timer for performance measurements
-// toggle the '#if 1' to get a baseline for the perormance penalty added by the measurement
+// toggle the '#if 1' to get a baseline for the performance penalty added by the measurement
 struct PerformanceTimer
 {
 #if 1
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index bf39d0f0..a557d135 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -199,7 +199,7 @@ namespace RTLIL
 		bool operator==(IdString rhs) const { return index_ == rhs.index_; }
 		bool operator!=(IdString rhs) const { return index_ != rhs.index_; }
 
-		// The methods below are just convinience functions for better compatibility with std::string.
+		// The methods below are just convenience functions for better compatibility with std::string.
 
 		bool operator==(const std::string &rhs) const { return str() == rhs; }
 		bool operator!=(const std::string &rhs) const { return str() != rhs; }
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 2e4d5672..10991881 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -596,7 +596,7 @@ struct TclPass : public Pass {
 		log("The tcl command 'yosys -import' can be used to import all yosys\n");
 		log("commands directly as tcl commands to the tcl shell. The yosys\n");
 		log("command 'proc' is wrapped using the tcl command 'procs' in order\n");
-		log("to avoid a name collision with the tcl builting command 'proc'.\n");
+		log("to avoid a name collision with the tcl builtin command 'proc'.\n");
 		log("\n");
 	}
 	virtual void execute(std::vector<std::string> args, RTLIL::Design *design) {