fix some typos (#2085)

Signed-off-by: cuishuang <imcusg@gmail.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/psutil/arch/osx/cpu.c b/psutil/arch/osx/cpu.c
index 37141a2d..2d94f31d 100644
--- a/psutil/arch/osx/cpu.c
+++ b/psutil/arch/osx/cpu.c
@@ -119,7 +119,7 @@ psutil_cpu_freq(PyObject *self, PyObject *args) {
     size_t len = sizeof(curr);
     size_t size = sizeof(min);
 
-    // also availble as "hw.cpufrequency" but it's deprecated
+    // also available as "hw.cpufrequency" but it's deprecated
     mib[0] = CTL_HW;
     mib[1] = HW_CPU_FREQ;
 
diff --git a/psutil/arch/solaris/v10/ifaddrs.c b/psutil/arch/solaris/v10/ifaddrs.c
index b741a6b9..3719c8c1 100644
--- a/psutil/arch/solaris/v10/ifaddrs.c
+++ b/psutil/arch/solaris/v10/ifaddrs.c
@@ -1,4 +1,4 @@
-/* Refrences:
+/* References:
  * https://lists.samba.org/archive/samba-technical/2009-February/063079.html
  * http://stackoverflow.com/questions/4139405/#4139811
  * https://github.com/steve-o/openpgm/blob/master/openpgm/pgm/getifaddrs.c
diff --git a/psutil/arch/windows/process_utils.c b/psutil/arch/windows/process_utils.c
index acbda301..f9d4bbc8 100644
--- a/psutil/arch/windows/process_utils.c
+++ b/psutil/arch/windows/process_utils.c
@@ -160,7 +160,7 @@ psutil_handle_from_pid(DWORD pid, DWORD access) {
 }
 
 
-// Check for PID existance. Return 1 if pid exists, 0 if not, -1 on error.
+// Check for PID existence. Return 1 if pid exists, 0 if not, -1 on error.
 int
 psutil_pid_is_running(DWORD pid) {
     HANDLE hProcess;