diff --git a/lib/py/setup.py b/lib/py/setup.py
index bd177b3..7e0a964 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -102,7 +102,7 @@
 except BuildFailed:
     print()
     print('*' * 80)
-    print("An error occured while trying to compile with the C extension enabled")
+    print("An error occurred while trying to compile with the C extension enabled")
     print("Attempting to build without the extension now")
     print('*' * 80)
     print()
diff --git a/lib/py/src/protocol/fastbinary.c b/lib/py/src/protocol/fastbinary.c
index 2ce5660..4133e98 100644
--- a/lib/py/src/protocol/fastbinary.c
+++ b/lib/py/src/protocol/fastbinary.c
@@ -332,7 +332,7 @@
 }
 
 
-/* --- MAIN RECURSIVE OUTPUT FUCNTION -- */
+/* --- MAIN RECURSIVE OUTPUT FUNCTION -- */
 
 static int
 output_val(PyObject* output, PyObject* value, TType type, PyObject* typeargs) {
@@ -936,7 +936,7 @@
 }
 
 
-/* --- MAIN RECURSIVE INPUT FUCNTION --- */
+/* --- MAIN RECURSIVE INPUT FUNCTION --- */
 
 // Returns a new reference.
 static PyObject*
diff --git a/lib/py/src/server/TNonblockingServer.py b/lib/py/src/server/TNonblockingServer.py
index 4a035b6..39486cd 100644
--- a/lib/py/src/server/TNonblockingServer.py
+++ b/lib/py/src/server/TNonblockingServer.py
@@ -261,7 +261,7 @@
     def wake_up(self):
         """Wake up main thread.
 
-        The server usualy waits in select call in we should terminate one.
+        The server usually waits in select call in we should terminate one.
         The simplest way is using socketpair.
 
         Select always wait to read from the first socket of socketpair.