diff --git a/data/json/items/fluff.json b/data/json/items/fluff.json
index 26129a3bdeac4..1f5b0b32b97ff 100644
--- a/data/json/items/fluff.json
+++ b/data/json/items/fluff.json
@@ -263,8 +263,8 @@
       },
       {
         "id": "jigsaw_20",
-        "name": { "str": "Mount Fiji jigsaw puzzle" },
-        "description": "A jigsaw puzzle cardboard box containing 1000 cardboard pieces that when connected together properly forms the horizontal view of Mount Fiji, at the Japanese island of Honshu.",
+        "name": { "str": "Mount Fuji jigsaw puzzle" },
+        "description": "A jigsaw puzzle cardboard box containing 1000 cardboard pieces that when connected together properly forms the horizontal view of Mount Fuji, at the Japanese island of Honshu.",
         "color": "blue",
         "weight": 20
       },
diff --git a/data/json/monsters/mutant.json b/data/json/monsters/mutant.json
index c831412974a31..b794950feac03 100644
--- a/data/json/monsters/mutant.json
+++ b/data/json/monsters/mutant.json
@@ -271,7 +271,7 @@
   {
     "id": "mon_mutant_alpha_boss",
     "type": "MONSTER",
-    "name": { "str": "mutant child" },
+    "name": { "str": "mutant child", "str_pl": "mutant children" },
     "description": "A thin child with a shaved head, wearing a too-large white lab coat over a baggy orange jumpsuit.  They turn their head towards you with uncanny speed, and you're taken aback by the inhuman curiosity burning in their eyes.  Their angelic smile does very little to reassure you of their intentions.",
     "copy-from": "mon_mutant_alpha",
     "default_faction": "lab_mutant",
diff --git a/src/item.cpp b/src/item.cpp
index 775a996ec4031..e99055da3bd0f 100644
--- a/src/item.cpp
+++ b/src/item.cpp
@@ -5695,14 +5695,14 @@ void item::properties_info( std::vector<iteminfo> &info, const iteminfo_query *p
             } );
             if( any_encumb_increase ) {
                 info.emplace_back( "BASE",
-                                   _( "* This items pockets are <info>not rigid</info>.  Its"
+                                   _( "* This item's pockets are <info>not rigid</info>.  Its"
                                       " volume and encumbrance increase with contents." ) );
                 not_rigid = true;
             }
         }
         if( !not_rigid && !all_pockets_rigid() && !is_corpse() ) {
             info.emplace_back( "BASE",
-                               _( "* This items pockets are <info>not rigid</info>.  Its"
+                               _( "* This item's pockets are <info>not rigid</info>.  Its"
                                   " volume increases with contents." ) );
         }
     }
diff --git a/tests/iteminfo_test.cpp b/tests/iteminfo_test.cpp
index 4a73f7abd1a93..4d9a54927f8db 100644
--- a/tests/iteminfo_test.cpp
+++ b/tests/iteminfo_test.cpp
@@ -431,23 +431,23 @@ TEST_CASE( "item_rigidity", "[iteminfo][rigidity]" )
 
             CHECK( item_info_str( waterskin, rigidity ) ==
                    "--\n"
-                   "* This items pockets are <color_c_cyan>not rigid</color>."
+                   "* This item's pockets are <color_c_cyan>not rigid</color>."
                    "  Its volume and encumbrance increase with contents.\n" );
 
             CHECK( item_info_str( backpack, rigidity ) ==
                    "--\n"
-                   "* This items pockets are <color_c_cyan>not rigid</color>."
+                   "* This item's pockets are <color_c_cyan>not rigid</color>."
                    "  Its volume and encumbrance increase with contents.\n" );
 
             CHECK( item_info_str( quiver, rigidity ) ==
                    "--\n"
-                   "* This items pockets are <color_c_cyan>not rigid</color>."
+                   "* This item's pockets are <color_c_cyan>not rigid</color>."
                    "  Its volume and encumbrance increase with contents.\n" );
 
             // Non-armor item - volume increases, but not encumbrance
             CHECK( item_info_str( condom, rigidity ) ==
                    "--\n"
-                   "* This items pockets are <color_c_cyan>not rigid</color>."
+                   "* This item's pockets are <color_c_cyan>not rigid</color>."
                    "  Its volume increases with contents.\n" );
         }