GUACAMOLE-1636: Merge corrections to typos within RDP comments/documentation.

diff --git a/src/protocols/rdp/bitmap.c b/src/protocols/rdp/bitmap.c
index ac4d979..05f9e21 100644
--- a/src/protocols/rdp/bitmap.c
+++ b/src/protocols/rdp/bitmap.c
@@ -149,7 +149,7 @@
 
     else {
 
-        /* Make sure that the recieved bitmap is not NULL before processing */
+        /* Make sure that the received bitmap is not NULL before processing */
         if (bitmap == NULL) {
             guac_client_log(client, GUAC_LOG_INFO, "NULL bitmap found in bitmap_setsurface instruction.");
             return TRUE;
diff --git a/src/protocols/rdp/channels/common-svc.h b/src/protocols/rdp/channels/common-svc.h
index 0a420bc..4d54844 100644
--- a/src/protocols/rdp/channels/common-svc.h
+++ b/src/protocols/rdp/channels/common-svc.h
@@ -115,7 +115,7 @@
     guac_rdp_common_svc_receive_handler* _receive_handler;
 
     /**
-     * Handler which is invokved when the SVC has been disconnected and is
+     * Handler which is involved when the SVC has been disconnected and is
      * about to be freed.
      */
     guac_rdp_common_svc_terminate_handler* _terminate_handler;
diff --git a/src/protocols/rdp/channels/disp.h b/src/protocols/rdp/channels/disp.h
index 4739c16..b53536a 100644
--- a/src/protocols/rdp/channels/disp.h
+++ b/src/protocols/rdp/channels/disp.h
@@ -109,7 +109,7 @@
 /**
  * Adds FreeRDP's "disp" plugin to the list of dynamic virtual channel plugins
  * to be loaded by FreeRDP's "drdynvc" plugin. The context of the plugin will
- * automatically be assicated with the guac_rdp_disp instance pointed to by the
+ * automatically be associated with the guac_rdp_disp instance pointed to by the
  * current guac_rdp_client. The plugin will only be loaded once the "drdynvc"
  * plugin is loaded. The "disp" plugin ultimately adds support for the Display
  * Update channel.
diff --git a/src/protocols/rdp/channels/rdpei.h b/src/protocols/rdp/channels/rdpei.h
index 5b16d31..963916b 100644
--- a/src/protocols/rdp/channels/rdpei.h
+++ b/src/protocols/rdp/channels/rdpei.h
@@ -110,7 +110,7 @@
 /**
  * Adds FreeRDP's "rdpei" plugin to the list of dynamic virtual channel plugins
  * to be loaded by FreeRDP's "drdynvc" plugin. The context of the plugin will
- * automatically be assicated with the guac_rdp_rdpei instance pointed to by the
+ * automatically be associated with the guac_rdp_rdpei instance pointed to by the
  * current guac_rdp_client. The plugin will only be loaded once the "drdynvc"
  * plugin is loaded. The "rdpei" plugin ultimately adds support for multi-touch
  * input via the RDPEI channel.
diff --git a/src/protocols/rdp/channels/rdpgfx.h b/src/protocols/rdp/channels/rdpgfx.h
index baeec87..993445c 100644
--- a/src/protocols/rdp/channels/rdpgfx.h
+++ b/src/protocols/rdp/channels/rdpgfx.h
@@ -29,7 +29,7 @@
 /**
  * Adds FreeRDP's "rdpgfx" plugin to the list of dynamic virtual channel plugins
  * to be loaded by FreeRDP's "drdynvc" plugin. The context of the plugin will
- * automatically be assicated with the guac_rdp_rdpgfx instance pointed to by the
+ * automatically be associated with the guac_rdp_rdpgfx instance pointed to by the
  * current guac_rdp_client. The plugin will only be loaded once the "drdynvc"
  * plugin is loaded. The "rdpgfx" plugin ultimately adds support for the RDP
  * Graphics Pipeline Extension.
diff --git a/src/protocols/rdp/gdi.c b/src/protocols/rdp/gdi.c
index f0ba488..3a55130 100644
--- a/src/protocols/rdp/gdi.c
+++ b/src/protocols/rdp/gdi.c
@@ -248,7 +248,7 @@
     int x_src = memblt->nXSrc;
     int y_src = memblt->nYSrc;
 
-    /* Make sure that the recieved bitmap is not NULL before processing */
+    /* Make sure that the received bitmap is not NULL before processing */
     if (bitmap == NULL) {
         guac_client_log(client, GUAC_LOG_INFO, "NULL bitmap found in memblt instruction.");
         return TRUE;
diff --git a/src/protocols/rdp/glyph.h b/src/protocols/rdp/glyph.h
index 85f2080..b217de0 100644
--- a/src/protocols/rdp/glyph.h
+++ b/src/protocols/rdp/glyph.h
@@ -96,11 +96,11 @@
  *     The height of the glyph being drawn.
  *
  * @param sx
- *     The X coordinare of the upper-left corner of the glyph within the source
+ *     The X coordinate of the upper-left corner of the glyph within the source
  *     cache surface containing the glyph.
  *
  * @param sy
- *     The Y coordinare of the upper-left corner of the glyph within the source
+ *     The Y coordinate of the upper-left corner of the glyph within the source
  *     cache surface containing the glyph.
  *
  * @param redundant
diff --git a/src/protocols/rdp/keyboard.c b/src/protocols/rdp/keyboard.c
index a8a6f8b..c263a56 100644
--- a/src/protocols/rdp/keyboard.c
+++ b/src/protocols/rdp/keyboard.c
@@ -140,7 +140,7 @@
 }
 
 /**
- * Immediately sends an RDP synchonize event having the given flags. An RDP
+ * Immediately sends an RDP synchronize event having the given flags. An RDP
  * synchronize event sets the state of remote lock keys absolutely, where a
  * lock key will be active only if its corresponding flag is set in the event.
  *
diff --git a/src/protocols/rdp/plugins/guacai/guacai-messages.c b/src/protocols/rdp/plugins/guacai/guacai-messages.c
index 48c828c..9d04a23 100644
--- a/src/protocols/rdp/plugins/guacai/guacai-messages.c
+++ b/src/protocols/rdp/plugins/guacai/guacai-messages.c
@@ -251,7 +251,7 @@
 
     /* Verify we have at least 4 bytes available (UINT32) */
     if (Stream_GetRemainingLength(stream) < 4) {
-        guac_client_log(client, GUAC_LOG_WARNING, "Audio input Versoin PDU "
+        guac_client_log(client, GUAC_LOG_WARNING, "Audio input Version PDU "
                 "does not contain the expected number of bytes. Audio input "
                 "redirection may not work as expected.");
         return;
diff --git a/src/protocols/rdp/settings.c b/src/protocols/rdp/settings.c
index acd0044..32ca8fc 100644
--- a/src/protocols/rdp/settings.c
+++ b/src/protocols/rdp/settings.c
@@ -361,7 +361,7 @@
     IDX_DISABLE_BITMAP_CACHING,
 
     /**
-     * "true" if the offscreen caching should be disabled, false if offscren
+     * "true" if the offscreen caching should be disabled, false if offscreen
      * caching should remain enabled.
      */
     IDX_DISABLE_OFFSCREEN_CACHING,