diff --git a/apps/app_forkcdr.c b/apps/app_forkcdr.c
index 341e52a8de..76af0a2ae4 100644
--- a/apps/app_forkcdr.c
+++ b/apps/app_forkcdr.c
@@ -64,7 +64,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 						reset.</para>
 					</option>
 					<option name="e">
-						<para>End the original CDR. Do this after all the neccessry data is copied
+						<para>End the original CDR. Do this after all the necessary data is copied
 						from the original CDR to the new forked CDR.</para>
 					</option>
 					<option name="r">
diff --git a/apps/app_sms.c b/apps/app_sms.c
index 0015cc8423..9dec33b4aa 100644
--- a/apps/app_sms.c
+++ b/apps/app_sms.c
@@ -1779,7 +1779,7 @@ static void sms_process(sms_t * h, int samples, signed short *data)
 			h->iphasep = 0;
 		}
 		if (bit && h->ibitc == 200) {       /* sync, restart message */
-			/* Protocol 2: empty connnection ready (I am master) */
+			/* Protocol 2: empty connection ready (I am master) */
 			if (h->framenumber < 0 && h->ibytec >= 160 && !memcmp(h->imsg, "UUUUUUUUUUUUUUUUUUUU", 20)) {
 				h->framenumber = 1;
 				ast_verb(3, "SMS protocol 2 detected\n");
diff --git a/channels/chan_console.c b/channels/chan_console.c
index ee26f21955..0dec71e66f 100644
--- a/channels/chan_console.c
+++ b/channels/chan_console.c
@@ -1379,7 +1379,7 @@ static void destroy_pvts(void)
 /*!
  * \brief Load the configuration
  * \param reload if this was called due to a reload
- * \retval 0 succcess
+ * \retval 0 success
  * \retval -1 failure
  */
 static int load_config(int reload)
diff --git a/channels/chan_dahdi.c b/channels/chan_dahdi.c
index e43576e382..5f7d785620 100644
--- a/channels/chan_dahdi.c
+++ b/channels/chan_dahdi.c
@@ -983,7 +983,7 @@ static struct dahdi_pvt {
 	 */
 	char mohinterpret[MAX_MUSICCLASS];
 	/*!
-	 * \brief Sugggested music-on-hold class for peer channel to use for calls.
+	 * \brief Suggested music-on-hold class for peer channel to use for calls.
 	 * \note The "mohsuggest" string read in from chan_dahdi.conf
 	 */
 	char mohsuggest[MAX_MUSICCLASS];
@@ -6456,7 +6456,7 @@ winkflashdone:
 				p->dop.dialstr[0] = '\0';
 				break;
 			default:
-				ast_log(LOG_WARNING, "Don't know how to handle ring/off hoook for signalling %d\n", p->sig);
+				ast_log(LOG_WARNING, "Don't know how to handle ring/off hook for signalling %d\n", p->sig);
 			}
 			break;
 		case DAHDI_EVENT_HOOKCOMPLETE:
diff --git a/codecs/lpc10/pitsyn.c b/codecs/lpc10/pitsyn.c
index ea8177e223..36f6f2a7af 100644
--- a/codecs/lpc10/pitsyn.c
+++ b/codecs/lpc10/pitsyn.c
@@ -73,7 +73,7 @@ extern int pitsyn_(integer *order, integer *voice, integer *pitch, real *rms, re
  * Initial revision
  * */
 /* Revision 1.2  1996/03/25  18:49:07  jaf */
-/* Added commments about which indices of array arguments are read or */
+/* Added comments about which indices of array arguments are read or */
 /* written. */
 
 /* Rearranged local variable declarations to indicate which need to be */
diff --git a/contrib/init.d/rc.debian.asterisk b/contrib/init.d/rc.debian.asterisk
index 74cdeffe0f..889bd1eaab 100755
--- a/contrib/init.d/rc.debian.asterisk
+++ b/contrib/init.d/rc.debian.asterisk
@@ -4,7 +4,7 @@
 # Mon Jun 04 2007 Iñaki Baz Castillo <ibc@in.ilimit.es>
 # - Eliminated SAFE_ASTERISK since it doesn't work as LSB script (it could require a independent "safe_asterisk" init script).
 # - Load and use the standar "/lib/lsb/init-functions".
-# - Addded "--oknodo" to "start-stop-daemon" for compatibility with LSB:
+# - Added "--oknodo" to "start-stop-daemon" for compatibility with LSB:
 #   http://www.linux-foundation.org/spec/refspecs/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
 #
 # Thu Nov 17 2005 Gregory Boehnlein <damin@nacs.net>
diff --git a/include/asterisk/abstract_jb.h b/include/asterisk/abstract_jb.h
index d884ce3d54..2a1b89fd18 100644
--- a/include/asterisk/abstract_jb.h
+++ b/include/asterisk/abstract_jb.h
@@ -183,8 +183,8 @@ void ast_jb_destroy(struct ast_channel *chan);
  * \param varname property name.
  * \param value property value.
  *
- * Called from a channel driver to build a jitterbuffer configuration tipically when
- * reading a configuration file. It is not neccessary for a channel driver to know
+ * Called from a channel driver to build a jitterbuffer configuration typically when
+ * reading a configuration file. It is not necessary for a channel driver to know
  * each of the jb configuration property names. The jitterbuffer itself knows them.
  * The channel driver can pass each config var it reads through this function. It will
  * return 0 if the variable was consumed from the jb conf.