7 files changed, 12 insertions, 12 deletions
diff --git a/src/glx/XF86dri.c b/src/glx/XF86dri.c
index b39fb205388..885ec93db55 100644
--- a/src/glx/XF86dri.c
+++ b/src/glx/XF86dri.c
@@ -440,7 +440,7 @@ XF86DRIDestroyDrawable(Display * dpy, int screen, XID drawable)
     *     destroyDrawable(drawable);
     *
     * which is a textbook race condition - the window may disappear
-    * from the server between checking for its existance and
+    * from the server between checking for its existence and
     * destroying it.  Instead we change the semantics of
     * __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if
     * the windows is gone, by wrapping the destroy call in an error
diff --git a/src/glx/apple/apple_glx.c b/src/glx/apple/apple_glx.c
index 3b570882572..a08c205eb96 100644
--- a/src/glx/apple/apple_glx.c
+++ b/src/glx/apple/apple_glx.c
@@ -93,7 +93,7 @@ apple_glx_get_client_id(void)
    return id;
 }
 
-/* Return true if an error occured. */
+/* Return true if an error occurred. */
 bool
 apple_init_glx(Display * dpy)
 {
diff --git a/src/glx/apple/apple_glx_context.c b/src/glx/apple/apple_glx_context.c
index 8a6ded28aa2..5650b4f3291 100644
--- a/src/glx/apple/apple_glx_context.c
+++ b/src/glx/apple/apple_glx_context.c
@@ -278,7 +278,7 @@ apple_glx_destroy_context(void **ptr, Display * dpy)
 }
 
 
-/* Return true if an error occured. */
+/* Return true if an error occurred. */
 bool
 apple_glx_make_current_context(Display * dpy, void *oldptr, void *ptr,
                                GLXDrawable drawable)
diff --git a/src/glx/apple/apple_glx_surface.c b/src/glx/apple/apple_glx_surface.c
index 915520286b0..51583bb40bc 100644
--- a/src/glx/apple/apple_glx_surface.c
+++ b/src/glx/apple/apple_glx_surface.c
@@ -124,7 +124,7 @@ surface_destroy(Display * dpy, struct apple_glx_drawable *d)
    }
 }
 
-/* Return true if an error occured. */
+/* Return true if an error occurred. */
 static bool
 create_surface(Display * dpy, int screen, struct apple_glx_drawable *d)
 {
@@ -158,7 +158,7 @@ create_surface(Display * dpy, int screen, struct apple_glx_drawable *d)
    return true;                 /* unable to create a surface. */
 }
 
-/* Return true if an error occured. */
+/* Return true if an error occurred. */
 /* This returns a referenced object via resultptr. */
 bool
 apple_glx_surface_create(Display * dpy, int screen,
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index f4f476e10b0..26ff804297f 100644
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -496,7 +496,7 @@ glXQueryVersion(Display * dpy, int *major, int *minor)
 }
 
 /*
-** Query the existance of the GLX extension
+** Query the existence of the GLX extension
 */
 _X_EXPORT Bool
 glXQueryExtension(Display * dpy, int *errorBase, int *eventBase)
diff --git a/src/glx/indirect_vertex_array.c b/src/glx/indirect_vertex_array.c
index 0025cbbd078..2bf2ff1bdb6 100644
--- a/src/glx/indirect_vertex_array.c
+++ b/src/glx/indirect_vertex_array.c
@@ -281,7 +281,7 @@ __glXInitVertexArrayState(struct glx_context * gc)
    i += vertex_program_attribs;
 
 
-   /* Vertex array *must* be last becuase of the way that
+   /* Vertex array *must* be last because of the way that
     * emit_DrawArrays_none works.
     */
 
diff --git a/src/glx/single2.c b/src/glx/single2.c
index 54f51ad7fd8..2a1bf06bc0a 100644
--- a/src/glx/single2.c
+++ b/src/glx/single2.c
@@ -330,7 +330,7 @@ __indirect_glGetBooleanv(GLenum val, GLboolean * b)
 
    if (compsize == 0) {
       /*
-       ** Error occured; don't modify user's buffer.
+       ** Error occurred; don't modify user's buffer.
        */
    }
    else {
@@ -381,7 +381,7 @@ __indirect_glGetDoublev(GLenum val, GLdouble * d)
 
    if (compsize == 0) {
       /*
-       ** Error occured; don't modify user's buffer.
+       ** Error occurred; don't modify user's buffer.
        */
    }
    else {
@@ -432,7 +432,7 @@ __indirect_glGetFloatv(GLenum val, GLfloat * f)
 
    if (compsize == 0) {
       /*
-       ** Error occured; don't modify user's buffer.
+       ** Error occurred; don't modify user's buffer.
        */
    }
    else {
@@ -483,7 +483,7 @@ __indirect_glGetIntegerv(GLenum val, GLint * i)
 
    if (compsize == 0) {
       /*
-       ** Error occured; don't modify user's buffer.
+       ** Error occurred; don't modify user's buffer.
        */
    }
    else {
@@ -588,7 +588,7 @@ __indirect_glRenderMode(GLenum mode)
    if (reply.newMode != mode) {
       /*
        ** Switch to new mode did not take effect, therefore an error
-       ** occured.  When an error happens the server won't send us any
+       ** occurred.  When an error happens the server won't send us any
        ** other data.
        */
    }