Fixed small typos.

Sming/Arch/Rp2040/README.rst

@@ -184,7 +184,7 @@ If core 1 code attempts to access flash during these periods the system will har
    Floating-point support requires use of routines in flash memory.
    Integer operations should all be safe to use.
 
-   If unexplained crashes are occuring then check the build output files (in out/Rp2040/debug/build)
+   If unexplained crashes are occurring then check the build output files (in out/Rp2040/debug/build)
    or use a debugger to identify any errant code running from flash.
 
 A typical use for core #1 might be to perform processing of some kind, such as processing data sampled

Sming/Kconfig

@@ -47,7 +47,7 @@ mainmenu "${SMING_SOC} Sming Framework Configuration"
             bool "Enable command executor functionality"
             default y
             help
-                This facilty requires documenting!
+                This facility requires documenting!
 
         config TASK_QUEUE_LENGTH
             int "Length of task queue"

tests/HostTests/modules/ArduinoString.cpp

@@ -99,7 +99,7 @@ class ArduinoStringTest : public TestGroup
 			REQUIRE(hello2 == "hello");
 		}
 
-		TEST_CASE("String concantenation", "[core][String]")
+		TEST_CASE("String concatenation", "[core][String]")
 		{
 			String str;
 			REQUIRE(str.length() == 0);