diff --git a/gio/gdbusobjectmanagerclient.c b/gio/gdbusobjectmanagerclient.c
index e21a64a52..b01bbc019 100644
--- a/gio/gdbusobjectmanagerclient.c
+++ b/gio/gdbusobjectmanagerclient.c
@@ -1685,7 +1685,7 @@ remove_interfaces (GDBusObjectManagerClient   *manager,
 
   num_interfaces_to_remove = g_strv_length ((gchar **) interface_names);
 
-  /* see if we are going to completety remove the object */
+  /* see if we are going to completely remove the object */
   g_object_ref (manager);
   if (num_interfaces_to_remove == num_interfaces)
     {
diff --git a/glib/gconvert.c b/glib/gconvert.c
index c6a244148..7ad8ca018 100644
--- a/glib/gconvert.c
+++ b/glib/gconvert.c
@@ -809,7 +809,7 @@ typedef enum
 
 /*
  * Convert from @string in the encoding identified by @from_codeset,
- * returning a string in the encoding identifed by @to_codeset.
+ * returning a string in the encoding identified by @to_codeset.
  * @len can be negative if @string is nul-terminated, or a non-negative
  * value in bytes. Flags defined in #ConvertCheckFlags can be set in @flags
  * to check the input, the output, or both, for embedded nul bytes.
diff --git a/glib/gdataset.c b/glib/gdataset.c
index a4d7af487..b47240613 100644
--- a/glib/gdataset.c
+++ b/glib/gdataset.c
@@ -169,7 +169,7 @@ g_datalist_unlock_and_set (GData **datalist, gpointer ptr)
 static gsize
 datalist_alloc_size (guint32 alloc)
 {
-  /* GDataElt also contains pointer. It thus is suitable aligned for pointers,
+  /* GDataElt also contains pointer. It thus is suitably aligned for pointers,
    * and we can just append the pointer for the index at the end. */
   return G_STRUCT_OFFSET (GData, data) +
          (((gsize) alloc) * sizeof (GDataElt)) +
@@ -411,7 +411,7 @@ datalist_shrink (GData **data, GData **d_to_free)
   if (v != alloc_by_4)
     {
       /* d->alloc is a power of two (unless it's G_MAXUINT32). Usually, we
-       * remove one element at a time, then we will just reach reach a quarter
+       * remove one element at a time, then we will just reach a quarter
        * of that.
        *
        * However, with g_datalist_id_remove_multiple(), len can be smaller
diff --git a/glib/gfileutils.c b/glib/gfileutils.c
index 0855ebea1..8b70ddd7d 100644
--- a/glib/gfileutils.c
+++ b/glib/gfileutils.c
@@ -2026,7 +2026,7 @@ g_build_path_va (const gchar  *separator,
 
 /**
  * g_build_pathv:
- * @separator: a string used to separator the elements of the path.
+ * @separator: a string used to separate the elements of the path.
  * @args: (array zero-terminated=1) (element-type filename): %NULL-terminated
  *   array of strings containing the path elements.
  * 
@@ -2053,7 +2053,7 @@ g_build_pathv (const gchar  *separator,
 
 /**
  * g_build_path:
- * @separator: (type filename): a string used to separator the elements of the path.
+ * @separator: (type filename): a string used to separate the elements of the path.
  * @first_element: (type filename): the first element in the path
  * @...: remaining elements in path, terminated by %NULL
  * 
diff --git a/glib/ghash.c b/glib/ghash.c
index e922e1a88..33086e854 100644
--- a/glib/ghash.c
+++ b/glib/ghash.c
@@ -1909,7 +1909,7 @@ g_hash_table_steal_all (GHashTable *hash_table)
  * destroy function.
  *
  * Returns: (transfer container): a #GPtrArray containing each key of
- * the table. Unref with with g_ptr_array_unref() when done.
+ * the table. Unref with g_ptr_array_unref() when done.
  *
  * Since: 2.76
  */
@@ -1946,7 +1946,7 @@ g_hash_table_steal_all_keys (GHashTable *hash_table)
  * destroy function.
  *
  * Returns: (transfer container): a #GPtrArray containing each value of
- * the table. Unref with with g_ptr_array_unref() when done.
+ * the table. Unref with g_ptr_array_unref() when done.
  *
  * Since: 2.76
  */
@@ -2318,7 +2318,7 @@ g_hash_table_get_keys_as_array (GHashTable *hash_table,
  * You should always unref the returned array with g_ptr_array_unref().
  *
  * Returns: (transfer container): a #GPtrArray containing each key from
- * the table. Unref with with g_ptr_array_unref() when done.
+ * the table. Unref with g_ptr_array_unref() when done.
  *
  * Since: 2.76
  **/
@@ -2393,7 +2393,7 @@ g_hash_table_get_values (GHashTable *hash_table)
  * You should always unref the returned array with g_ptr_array_unref().
  *
  * Returns: (transfer container): a #GPtrArray containing each value from
- * the table. Unref with with g_ptr_array_unref() when done.
+ * the table. Unref with g_ptr_array_unref() when done.
  *
  * Since: 2.76
  **/
diff --git a/glib/gpathbuf.c b/glib/gpathbuf.c
index e51f3f1bd..de4f7c52b 100644
--- a/glib/gpathbuf.c
+++ b/glib/gpathbuf.c
@@ -560,7 +560,7 @@ g_path_buf_to_path (GPathBuf *buf)
  * Compares two path buffers for equality and returns `TRUE`
  * if they are equal.
  *
- * The path inside the paths buffers are not going to be normalized,
+ * The paths inside the path buffers are not going to be normalized,
  * so `X/Y/Z/A/..`, `X/./Y/Z` and `X/Y/Z` are not going to be considered
  * equal.
  *
diff --git a/glib/gstrfuncs.c b/glib/gstrfuncs.c
index 9b76049a4..7ef9ff84e 100644
--- a/glib/gstrfuncs.c
+++ b/glib/gstrfuncs.c
@@ -1022,7 +1022,7 @@ g_parse_long_long (const gchar  *nptr,
                    guint         base,
                    gboolean     *negative)
 {
-  /* this code is based on on the strtol(3) code from GNU libc released under
+  /* this code is based on the strtol(3) code from GNU libc released under
    * the GNU Lesser General Public License.
    *
    * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02
diff --git a/glib/gtestutils.c b/glib/gtestutils.c
index e9ca56dbd..99d6e4c4d 100644
--- a/glib/gtestutils.c
+++ b/glib/gtestutils.c
@@ -2874,7 +2874,7 @@ g_test_add_data_func (const char     *testpath,
  *
  * Creates a new test case.
  *
- * In constract to [func@GLib.test_add_data_func], this function
+ * In contrast to [func@GLib.test_add_data_func], this function
  * is freeing @test_data after the test run is complete.
  *
  * Since: 2.34
diff --git a/glib/tests/mem-overflow.c b/glib/tests/mem-overflow.c
index b8b65c17a..783a80ba4 100644
--- a/glib/tests/mem-overflow.c
+++ b/glib/tests/mem-overflow.c
@@ -1,4 +1,4 @@
-/* Unit tests for g
+/* Unit tests for gmem
  * Copyright (C) 2010 Red Hat, Inc.
  *
  * SPDX-License-Identifier: LicenseRef-old-glib-tests
diff --git a/glib/tests/messages-low-memory.c b/glib/tests/messages-low-memory.c
index 479143723..8274f3d8b 100644
--- a/glib/tests/messages-low-memory.c
+++ b/glib/tests/messages-low-memory.c
@@ -78,7 +78,7 @@ main (int   argc,
 #ifndef __linux__
   if (!our_malloc_called)
     {
-      /* For some reasons this doesn't work darwin systems, so ignore the result
+      /* For some reasons this doesn't work on darwin systems, so ignore the result
        * for non-linux, while we want to ensure the test is valid at least there
        */
       g_message ("Our malloc implementation has not been called, the test "