diff --git a/include/libssh2.h b/include/libssh2.h
index d59f2ffc..d794b8e9 100644
--- a/include/libssh2.h
+++ b/include/libssh2.h
@@ -610,7 +610,7 @@ typedef struct _LIBSSH2_POLLFD {
  * Flags can be:
  * 0:                              Normal initialize
  * LIBSSH2_INIT_NO_CRYPTO:         Do not initialize the crypto library (ie.
- *                                 OPENSSL_add_cipher_algoritms() for OpenSSL
+ *                                 OPENSSL_add_cipher_algorithms() for OpenSSL
  *
  * Returns 0 if succeeded, or a negative value for error.
  */
diff --git a/include/libssh2_sftp.h b/include/libssh2_sftp.h
index ab7b0af4..30d96390 100644
--- a/include/libssh2_sftp.h
+++ b/include/libssh2_sftp.h
@@ -291,7 +291,7 @@ LIBSSH2_API int libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE *handle,
 /* Miscellaneous Ops */
 LIBSSH2_API int libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp,
                                        const char *source_filename,
-                                       unsigned int srouce_filename_len,
+                                       unsigned int source_filename_len,
                                        const char *dest_filename,
                                        unsigned int dest_filename_len,
                                        long flags);
@@ -305,7 +305,7 @@ LIBSSH2_API int libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp,
 
 LIBSSH2_API int libssh2_sftp_posix_rename_ex(LIBSSH2_SFTP *sftp,
                                              const char *source_filename,
-                                             size_t srouce_filename_len,
+                                             size_t source_filename_len,
                                              const char *dest_filename,
                                              size_t dest_filename_len);
 #define libssh2_sftp_posix_rename(sftp, sourcefile, destfile) \
diff --git a/os400/libssh2rpg/libssh2.rpgle.in b/os400/libssh2rpg/libssh2.rpgle.in
index 4ecc36fd..f7a8b5bd 100644
--- a/os400/libssh2rpg/libssh2.rpgle.in
+++ b/os400/libssh2rpg/libssh2.rpgle.in
@@ -1639,7 +1639,7 @@
      d  typemask                           value like(libssh2_Cint)
      d  knownhost                      *                                        libssh2_knownhost *
 
-      * this function is identital to the above one, but also takes a port
+      * this function is identical to the above one, but also takes a port
       * argument that allows libssh2 to do a better check.
      d libssh2_knownhost_checkp...
      d                 pr                  extproc('libssh2_knownhost_checkp')
diff --git a/src/agent.c b/src/agent.c
index 3126626e..8e436872 100644
--- a/src/agent.c
+++ b/src/agent.c
@@ -328,7 +328,7 @@ cleanup:
 }
 
 #define RECV_SEND_ALL(func, agent, buffer, length, total)              \
-    DWORD bytes_transfered;                                            \
+    DWORD bytes_transferred;                                           \
     BOOL ret;                                                          \
     DWORD err;                                                         \
     int rc;                                                            \
@@ -336,13 +336,13 @@ cleanup:
     while(*total < length) {                                           \
         if(!agent->pending_io)                                         \
             ret = func(agent->pipe, (char *)buffer + *total,           \
-                       (DWORD)(length - *total), &bytes_transfered,    \
+                       (DWORD)(length - *total), &bytes_transferred,   \
                        &agent->overlapped);                            \
         else                                                           \
             ret = GetOverlappedResult(agent->pipe, &agent->overlapped, \
-                                      &bytes_transfered, FALSE);       \
+                                      &bytes_transferred, FALSE);      \
                                                                        \
-        *total += bytes_transfered;                                    \
+        *total += bytes_transferred;                                   \
         if(!ret) {                                                     \
             err = GetLastError();                                      \
             if((!agent->pending_io && ERROR_IO_PENDING == err)         \
diff --git a/src/session.h b/src/session.h
index c77fab65..e1be1ce2 100644
--- a/src/session.h
+++ b/src/session.h
@@ -41,7 +41,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-/* Conveniance-macros to allow code like this;
+/* Convenience-macros to allow code like this;
 
    int rc = BLOCK_ADJUST(rc, session, session_startup(session, sock));